"use strict";
cc._RF.push(module, '393290vPc1IIYfh8FrmxcNZ', 'socket-io');
// scripts/core/3rdparty/socket-io.js

"use strict";

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

if (!CC_JSB && !cc.sys.isNative) {
	(function (f) {
		if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === "object" && typeof module !== "undefined") {
			module.exports = f();
		} else if (typeof define === "function" && define.amd) {
			define([], f);
		} else {
			var g;if (typeof window !== "undefined") {
				g = window;
			} else if (typeof global !== "undefined") {
				g = global;
			} else if (typeof self !== "undefined") {
				g = self;
			} else {
				g = this;
			}g.io = f();
		}
	})(function () {
		var define, module, exports;return function e(t, n, r) {
			function s(o, u) {
				if (!n[o]) {
					if (!t[o]) {
						var a = typeof require == "function" && require;if (!u && a) return a(o, !0);if (i) return i(o, !0);var f = new Error("Cannot find module '" + o + "'");throw f.code = "MODULE_NOT_FOUND", f;
					}var l = n[o] = { exports: {} };t[o][0].call(l.exports, function (e) {
						var n = t[o][1][e];return s(n ? n : e);
					}, l, l.exports, e, t, n, r);
				}return n[o].exports;
			}var i = typeof require == "function" && require;for (var o = 0; o < r.length; o++) {
				s(r[o]);
			}return s;
		}({ 1: [function (_dereq_, module, exports) {

				module.exports = _dereq_('./lib/');
			}, { "./lib/": 2 }], 2: [function (_dereq_, module, exports) {

				module.exports = _dereq_('./socket');

				/**
     * Exports parser
     *
     * @api public
     *
     */
				module.exports.parser = _dereq_('engine.io-parser');
			}, { "./socket": 3, "engine.io-parser": 19 }], 3: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * Module dependencies.
      */

					var transports = _dereq_('./transports');
					var Emitter = _dereq_('component-emitter');
					var debug = _dereq_('debug')('engine.io-client:socket');
					var index = _dereq_('indexof');
					var parser = _dereq_('engine.io-parser');
					var parseuri = _dereq_('parseuri');
					var parsejson = _dereq_('parsejson');
					var parseqs = _dereq_('parseqs');

					/**
      * Module exports.
      */

					module.exports = Socket;

					/**
      * Noop function.
      *
      * @api private
      */

					function noop() {}

					/**
      * Socket constructor.
      *
      * @param {String|Object} uri or options
      * @param {Object} options
      * @api public
      */

					function Socket(uri, opts) {
						if (!(this instanceof Socket)) return new Socket(uri, opts);

						opts = opts || {};

						if (uri && 'object' == (typeof uri === "undefined" ? "undefined" : _typeof(uri))) {
							opts = uri;
							uri = null;
						}

						if (uri) {
							uri = parseuri(uri);
							opts.hostname = uri.host;
							opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
							opts.port = uri.port;
							if (uri.query) opts.query = uri.query;
						} else if (opts.host) {
							opts.hostname = parseuri(opts.host).host;
						}

						this.secure = null != opts.secure ? opts.secure : global.location && 'https:' == location.protocol;

						if (opts.hostname && !opts.port) {
							// if no port is specified manually, use the protocol default
							opts.port = this.secure ? '443' : '80';
						}

						this.agent = opts.agent || false;
						this.hostname = opts.hostname || (global.location ? location.hostname : 'localhost');
						this.port = opts.port || (global.location && location.port ? location.port : this.secure ? 443 : 80);
						this.query = opts.query || {};
						if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
						this.upgrade = false !== opts.upgrade;
						this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
						this.forceJSONP = !!opts.forceJSONP;
						this.jsonp = false !== opts.jsonp;
						this.forceBase64 = !!opts.forceBase64;
						this.enablesXDR = !!opts.enablesXDR;
						this.timestampParam = opts.timestampParam || 't';
						this.timestampRequests = opts.timestampRequests;
						this.transports = opts.transports || ['polling', 'websocket'];
						this.readyState = '';
						this.writeBuffer = [];
						this.policyPort = opts.policyPort || 843;
						this.rememberUpgrade = opts.rememberUpgrade || false;
						this.binaryType = null;
						this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
						this.perMessageDeflate = false !== opts.perMessageDeflate ? opts.perMessageDeflate || {} : false;

						if (true === this.perMessageDeflate) this.perMessageDeflate = {};
						if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
							this.perMessageDeflate.threshold = 1024;
						}

						// SSL options for Node.js client
						this.pfx = opts.pfx || null;
						this.key = opts.key || null;
						this.passphrase = opts.passphrase || null;
						this.cert = opts.cert || null;
						this.ca = opts.ca || null;
						this.ciphers = opts.ciphers || null;
						this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;

						// other options for Node.js client
						var freeGlobal = (typeof global === "undefined" ? "undefined" : _typeof(global)) == 'object' && global;
						if (freeGlobal.global === freeGlobal) {
							if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
								this.extraHeaders = opts.extraHeaders;
							}
						}

						this.open();
					}

					Socket.priorWebsocketSuccess = false;

					/**
      * Mix in `Emitter`.
      */

					Emitter(Socket.prototype);

					/**
      * Protocol version.
      *
      * @api public
      */

					Socket.protocol = parser.protocol; // this is an int

					/**
      * Expose deps for legacy compatibility
      * and standalone browser access.
      */

					Socket.Socket = Socket;
					Socket.Transport = _dereq_('./transport');
					Socket.transports = _dereq_('./transports');
					Socket.parser = _dereq_('engine.io-parser');

					/**
      * Creates transport of the given type.
      *
      * @param {String} transport name
      * @return {Transport}
      * @api private
      */

					Socket.prototype.createTransport = function (name) {
						debug('creating transport "%s"', name);
						var query = clone(this.query);

						// append engine.io protocol identifier
						query.EIO = parser.protocol;

						// transport name
						query.transport = name;

						// session id if we already have one
						if (this.id) query.sid = this.id;

						var transport = new transports[name]({
							agent: this.agent,
							hostname: this.hostname,
							port: this.port,
							secure: this.secure,
							path: this.path,
							query: query,
							forceJSONP: this.forceJSONP,
							jsonp: this.jsonp,
							forceBase64: this.forceBase64,
							enablesXDR: this.enablesXDR,
							timestampRequests: this.timestampRequests,
							timestampParam: this.timestampParam,
							policyPort: this.policyPort,
							socket: this,
							pfx: this.pfx,
							key: this.key,
							passphrase: this.passphrase,
							cert: this.cert,
							ca: this.ca,
							ciphers: this.ciphers,
							rejectUnauthorized: this.rejectUnauthorized,
							perMessageDeflate: this.perMessageDeflate,
							extraHeaders: this.extraHeaders
						});

						return transport;
					};

					function clone(obj) {
						var o = {};
						for (var i in obj) {
							if (obj.hasOwnProperty(i)) {
								o[i] = obj[i];
							}
						}
						return o;
					}

					/**
      * Initializes transport to use and starts probe.
      *
      * @api private
      */
					Socket.prototype.open = function () {
						var transport;
						if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
							transport = 'websocket';
						} else if (0 === this.transports.length) {
							// Emit error on next tick so it can be listened to
							var self = this;
							setTimeout(function () {
								self.emit('error', 'No transports available');
							}, 0);
							return;
						} else {
							transport = this.transports[0];
						}
						this.readyState = 'opening';

						// Retry with the next transport if the transport is disabled (jsonp: false)
						try {
							transport = this.createTransport(transport);
						} catch (e) {
							this.transports.shift();
							this.open();
							return;
						}

						transport.open();
						this.setTransport(transport);
					};

					/**
      * Sets the current transport. Disables the existing one (if any).
      *
      * @api private
      */

					Socket.prototype.setTransport = function (transport) {
						debug('setting transport %s', transport.name);
						var self = this;

						if (this.transport) {
							debug('clearing existing transport %s', this.transport.name);
							this.transport.removeAllListeners();
						}

						// set up transport
						this.transport = transport;

						// set up transport listeners
						transport.on('drain', function () {
							self.onDrain();
						}).on('packet', function (packet) {
							self.onPacket(packet);
						}).on('error', function (e) {
							self.onError(e);
						}).on('close', function () {
							self.onClose('transport close');
						});
					};

					/**
      * Probes a transport.
      *
      * @param {String} transport name
      * @api private
      */

					Socket.prototype.probe = function (name) {
						debug('probing transport "%s"', name);
						var transport = this.createTransport(name, { probe: 1 }),
						    failed = false,
						    self = this;

						Socket.priorWebsocketSuccess = false;

						function onTransportOpen() {
							if (self.onlyBinaryUpgrades) {
								var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
								failed = failed || upgradeLosesBinary;
							}
							if (failed) return;

							debug('probe transport "%s" opened', name);
							transport.send([{ type: 'ping', data: 'probe' }]);
							transport.once('packet', function (msg) {
								if (failed) return;
								if ('pong' == msg.type && 'probe' == msg.data) {
									debug('probe transport "%s" pong', name);
									self.upgrading = true;
									self.emit('upgrading', transport);
									if (!transport) return;
									Socket.priorWebsocketSuccess = 'websocket' == transport.name;

									debug('pausing current transport "%s"', self.transport.name);
									self.transport.pause(function () {
										if (failed) return;
										if ('closed' == self.readyState) return;
										debug('changing transport and sending upgrade packet');

										cleanup();

										self.setTransport(transport);
										transport.send([{ type: 'upgrade' }]);
										self.emit('upgrade', transport);
										transport = null;
										self.upgrading = false;
										self.flush();
									});
								} else {
									debug('probe transport "%s" failed', name);
									var err = new Error('probe error');
									err.transport = transport.name;
									self.emit('upgradeError', err);
								}
							});
						}

						function freezeTransport() {
							if (failed) return;

							// Any callback called by transport should be ignored since now
							failed = true;

							cleanup();

							transport.close();
							transport = null;
						}

						//Handle any error that happens while probing
						function onerror(err) {
							var error = new Error('probe error: ' + err);
							error.transport = transport.name;

							freezeTransport();

							debug('probe transport "%s" failed because of error: %s', name, err);

							self.emit('upgradeError', error);
						}

						function onTransportClose() {
							onerror("transport closed");
						}

						//When the socket is closed while we're probing
						function onclose() {
							onerror("socket closed");
						}

						//When the socket is upgraded while we're probing
						function onupgrade(to) {
							if (transport && to.name != transport.name) {
								debug('"%s" works - aborting "%s"', to.name, transport.name);
								freezeTransport();
							}
						}

						//Remove all listeners on the transport and on self
						function cleanup() {
							transport.removeListener('open', onTransportOpen);
							transport.removeListener('error', onerror);
							transport.removeListener('close', onTransportClose);
							self.removeListener('close', onclose);
							self.removeListener('upgrading', onupgrade);
						}

						transport.once('open', onTransportOpen);
						transport.once('error', onerror);
						transport.once('close', onTransportClose);

						this.once('close', onclose);
						this.once('upgrading', onupgrade);

						transport.open();
					};

					/**
      * Called when connection is deemed open.
      *
      * @api public
      */

					Socket.prototype.onOpen = function () {
						debug('socket open');
						this.readyState = 'open';
						Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
						this.emit('open');
						this.flush();

						// we check for `readyState` in case an `open`
						// listener already closed the socket
						if ('open' == this.readyState && this.upgrade && this.transport.pause) {
							debug('starting upgrade probes');
							for (var i = 0, l = this.upgrades.length; i < l; i++) {
								this.probe(this.upgrades[i]);
							}
						}
					};

					/**
      * Handles a packet.
      *
      * @api private
      */

					Socket.prototype.onPacket = function (packet) {
						if ('opening' == this.readyState || 'open' == this.readyState) {
							debug('socket receive: type "%s", data "%s"', packet.type, packet.data);

							this.emit('packet', packet);

							// Socket is live - any packet counts
							this.emit('heartbeat');

							switch (packet.type) {
								case 'open':
									this.onHandshake(parsejson(packet.data));
									break;

								case 'pong':
									this.setPing();
									this.emit('pong');
									break;

								case 'error':
									var err = new Error('server error');
									err.code = packet.data;
									this.onError(err);
									break;

								case 'message':
									this.emit('data', packet.data);
									this.emit('message', packet.data);
									break;
							}
						} else {
							debug('packet received with socket readyState "%s"', this.readyState);
						}
					};

					/**
      * Called upon handshake completion.
      *
      * @param {Object} handshake obj
      * @api private
      */

					Socket.prototype.onHandshake = function (data) {
						this.emit('handshake', data);
						this.id = data.sid;
						this.transport.query.sid = data.sid;
						this.upgrades = this.filterUpgrades(data.upgrades);
						this.pingInterval = data.pingInterval;
						this.pingTimeout = data.pingTimeout;
						this.onOpen();
						// In case open handler closes socket
						if ('closed' == this.readyState) return;
						this.setPing();

						// Prolong liveness of socket on heartbeat
						this.removeListener('heartbeat', this.onHeartbeat);
						this.on('heartbeat', this.onHeartbeat);
					};

					/**
      * Resets ping timeout.
      *
      * @api private
      */

					Socket.prototype.onHeartbeat = function (timeout) {
						clearTimeout(this.pingTimeoutTimer);
						var self = this;
						self.pingTimeoutTimer = setTimeout(function () {
							if ('closed' == self.readyState) return;
							self.onClose('ping timeout');
						}, timeout || self.pingInterval + self.pingTimeout);
					};

					/**
      * Pings server every `this.pingInterval` and expects response
      * within `this.pingTimeout` or closes connection.
      *
      * @api private
      */

					Socket.prototype.setPing = function () {
						var self = this;
						clearTimeout(self.pingIntervalTimer);
						self.pingIntervalTimer = setTimeout(function () {
							debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
							self.ping();
							self.onHeartbeat(self.pingTimeout);
						}, self.pingInterval);
					};

					/**
     * Sends a ping packet.
     *
     * @api private
     */

					Socket.prototype.ping = function () {
						var self = this;
						this.sendPacket('ping', function () {
							self.emit('ping');
						});
					};

					/**
      * Called on `drain` event
      *
      * @api private
      */

					Socket.prototype.onDrain = function () {
						this.writeBuffer.splice(0, this.prevBufferLen);

						// setting prevBufferLen = 0 is very important
						// for example, when upgrading, upgrade packet is sent over,
						// and a nonzero prevBufferLen could cause problems on `drain`
						this.prevBufferLen = 0;

						if (0 === this.writeBuffer.length) {
							this.emit('drain');
						} else {
							this.flush();
						}
					};

					/**
      * Flush write buffers.
      *
      * @api private
      */

					Socket.prototype.flush = function () {
						if ('closed' != this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
							debug('flushing %d packets in socket', this.writeBuffer.length);
							this.transport.send(this.writeBuffer);
							// keep track of current length of writeBuffer
							// splice writeBuffer and callbackBuffer on `drain`
							this.prevBufferLen = this.writeBuffer.length;
							this.emit('flush');
						}
					};

					/**
      * Sends a message.
      *
      * @param {String} message.
      * @param {Function} callback function.
      * @param {Object} options.
      * @return {Socket} for chaining.
      * @api public
      */

					Socket.prototype.write = Socket.prototype.send = function (msg, options, fn) {
						this.sendPacket('message', msg, options, fn);
						return this;
					};

					/**
      * Sends a packet.
      *
      * @param {String} packet type.
      * @param {String} data.
      * @param {Object} options.
      * @param {Function} callback function.
      * @api private
      */

					Socket.prototype.sendPacket = function (type, data, options, fn) {
						if ('function' == typeof data) {
							fn = data;
							data = undefined;
						}

						if ('function' == typeof options) {
							fn = options;
							options = null;
						}

						if ('closing' == this.readyState || 'closed' == this.readyState) {
							return;
						}

						options = options || {};
						options.compress = false !== options.compress;

						var packet = {
							type: type,
							data: data,
							options: options
						};
						this.emit('packetCreate', packet);
						this.writeBuffer.push(packet);
						if (fn) this.once('flush', fn);
						this.flush();
					};

					/**
      * Closes the connection.
      *
      * @api private
      */

					Socket.prototype.close = function () {
						if ('opening' == this.readyState || 'open' == this.readyState) {
							this.readyState = 'closing';

							var self = this;

							if (this.writeBuffer.length) {
								this.once('drain', function () {
									if (this.upgrading) {
										waitForUpgrade();
									} else {
										close();
									}
								});
							} else if (this.upgrading) {
								waitForUpgrade();
							} else {
								close();
							}
						}

						function close() {
							self.onClose('forced close');
							debug('socket closing - telling transport to close');
							self.transport.close();
						}

						function cleanupAndClose() {
							self.removeListener('upgrade', cleanupAndClose);
							self.removeListener('upgradeError', cleanupAndClose);
							close();
						}

						function waitForUpgrade() {
							// wait for upgrade to finish since we can't send packets while pausing a transport
							self.once('upgrade', cleanupAndClose);
							self.once('upgradeError', cleanupAndClose);
						}

						return this;
					};

					/**
      * Called upon transport error
      *
      * @api private
      */

					Socket.prototype.onError = function (err) {
						debug('socket error %j', err);
						Socket.priorWebsocketSuccess = false;
						this.emit('error', err);
						this.onClose('transport error', err);
					};

					/**
      * Called upon transport close.
      *
      * @api private
      */

					Socket.prototype.onClose = function (reason, desc) {
						if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
							debug('socket close with reason: "%s"', reason);
							var self = this;

							// clear timers
							clearTimeout(this.pingIntervalTimer);
							clearTimeout(this.pingTimeoutTimer);

							// stop event from firing again for transport
							this.transport.removeAllListeners('close');

							// ensure transport won't stay open
							this.transport.close();

							// ignore further transport communication
							this.transport.removeAllListeners();

							// set ready state
							this.readyState = 'closed';

							// clear session id
							this.id = null;

							// emit close event
							this.emit('close', reason, desc);

							// clean buffers after, so users can still
							// grab the buffers on `close` event
							self.writeBuffer = [];
							self.prevBufferLen = 0;
						}
					};

					/**
      * Filters upgrades, returning only those matching client transports.
      *
      * @param {Array} server upgrades
      * @api private
      *
      */

					Socket.prototype.filterUpgrades = function (upgrades) {
						var filteredUpgrades = [];
						for (var i = 0, j = upgrades.length; i < j; i++) {
							if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
						}
						return filteredUpgrades;
					};
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "./transport": 4, "./transports": 5, "component-emitter": 15, "debug": 17, "engine.io-parser": 19, "indexof": 23, "parsejson": 26, "parseqs": 27, "parseuri": 28 }], 4: [function (_dereq_, module, exports) {
				/**
     * Module dependencies.
     */

				var parser = _dereq_('engine.io-parser');
				var Emitter = _dereq_('component-emitter');

				/**
     * Module exports.
     */

				module.exports = Transport;

				/**
     * Transport abstract constructor.
     *
     * @param {Object} options.
     * @api private
     */

				function Transport(opts) {
					this.path = opts.path;
					this.hostname = opts.hostname;
					this.port = opts.port;
					this.secure = opts.secure;
					this.query = opts.query;
					this.timestampParam = opts.timestampParam;
					this.timestampRequests = opts.timestampRequests;
					this.readyState = '';
					this.agent = opts.agent || false;
					this.socket = opts.socket;
					this.enablesXDR = opts.enablesXDR;

					// SSL options for Node.js client
					this.pfx = opts.pfx;
					this.key = opts.key;
					this.passphrase = opts.passphrase;
					this.cert = opts.cert;
					this.ca = opts.ca;
					this.ciphers = opts.ciphers;
					this.rejectUnauthorized = opts.rejectUnauthorized;

					// other options for Node.js client
					this.extraHeaders = opts.extraHeaders;
				}

				/**
     * Mix in `Emitter`.
     */

				Emitter(Transport.prototype);

				/**
     * Emits an error.
     *
     * @param {String} str
     * @return {Transport} for chaining
     * @api public
     */

				Transport.prototype.onError = function (msg, desc) {
					var err = new Error(msg);
					err.type = 'TransportError';
					err.description = desc;
					this.emit('error', err);
					return this;
				};

				/**
     * Opens the transport.
     *
     * @api public
     */

				Transport.prototype.open = function () {
					if ('closed' == this.readyState || '' == this.readyState) {
						this.readyState = 'opening';
						this.doOpen();
					}

					return this;
				};

				/**
     * Closes the transport.
     *
     * @api private
     */

				Transport.prototype.close = function () {
					if ('opening' == this.readyState || 'open' == this.readyState) {
						this.doClose();
						this.onClose();
					}

					return this;
				};

				/**
     * Sends multiple packets.
     *
     * @param {Array} packets
     * @api private
     */

				Transport.prototype.send = function (packets) {
					if ('open' == this.readyState) {
						this.write(packets);
					} else {
						throw new Error('Transport not open');
					}
				};

				/**
     * Called upon open
     *
     * @api private
     */

				Transport.prototype.onOpen = function () {
					this.readyState = 'open';
					this.writable = true;
					this.emit('open');
				};

				/**
     * Called with data.
     *
     * @param {String} data
     * @api private
     */

				Transport.prototype.onData = function (data) {
					var packet = parser.decodePacket(data, this.socket.binaryType);
					this.onPacket(packet);
				};

				/**
     * Called with a decoded packet.
     */

				Transport.prototype.onPacket = function (packet) {
					this.emit('packet', packet);
				};

				/**
     * Called upon close.
     *
     * @api private
     */

				Transport.prototype.onClose = function () {
					this.readyState = 'closed';
					this.emit('close');
				};
			}, { "component-emitter": 15, "engine.io-parser": 19 }], 5: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * Module dependencies
      */

					var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
					var XHR = _dereq_('./polling-xhr');
					var JSONP = _dereq_('./polling-jsonp');
					var websocket = _dereq_('./websocket');

					/**
      * Export transports.
      */

					exports.polling = polling;
					exports.websocket = websocket;

					/**
      * Polling transport polymorphic constructor.
      * Decides on xhr vs jsonp based on feature detection.
      *
      * @api private
      */

					function polling(opts) {
						var xhr;
						var xd = false;
						var xs = false;
						var jsonp = false !== opts.jsonp;

						if (global.location) {
							var isSSL = 'https:' == location.protocol;
							var port = location.port;

							// some user agents have empty `location.port`
							if (!port) {
								port = isSSL ? 443 : 80;
							}

							xd = opts.hostname != location.hostname || port != opts.port;
							xs = opts.secure != isSSL;
						}

						opts.xdomain = xd;
						opts.xscheme = xs;
						xhr = new XMLHttpRequest(opts);

						if ('open' in xhr && !opts.forceJSONP) {
							return new XHR(opts);
						} else {
							if (!jsonp) throw new Error('JSONP disabled');
							return new JSONP(opts);
						}
					}
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "./polling-jsonp": 6, "./polling-xhr": 7, "./websocket": 9, "xmlhttprequest-ssl": 10 }], 6: [function (_dereq_, module, exports) {
				(function (global) {

					/**
      * Module requirements.
      */

					var Polling = _dereq_('./polling');
					var inherit = _dereq_('component-inherit');

					/**
      * Module exports.
      */

					module.exports = JSONPPolling;

					/**
      * Cached regular expressions.
      */

					var rNewline = /\n/g;
					var rEscapedNewline = /\\n/g;

					/**
      * Global JSONP callbacks.
      */

					var callbacks;

					/**
      * Callbacks count.
      */

					var index = 0;

					/**
      * Noop.
      */

					function empty() {}

					/**
      * JSONP Polling constructor.
      *
      * @param {Object} opts.
      * @api public
      */

					function JSONPPolling(opts) {
						Polling.call(this, opts);

						this.query = this.query || {};

						// define global callbacks array if not present
						// we do this here (lazily) to avoid unneeded global pollution
						if (!callbacks) {
							// we need to consider multiple engines in the same page
							if (!global.___eio) global.___eio = [];
							callbacks = global.___eio;
						}

						// callback identifier
						this.index = callbacks.length;

						// add callback to jsonp global
						var self = this;
						callbacks.push(function (msg) {
							self.onData(msg);
						});

						// append to query string
						this.query.j = this.index;

						// prevent spurious errors from being emitted when the window is unloaded
						if (global.document && global.addEventListener) {
							global.addEventListener('beforeunload', function () {
								if (self.script) self.script.onerror = empty;
							}, false);
						}
					}

					/**
      * Inherits from Polling.
      */

					inherit(JSONPPolling, Polling);

					/*
      * JSONP only supports binary as base64 encoded strings
      */

					JSONPPolling.prototype.supportsBinary = false;

					/**
      * Closes the socket.
      *
      * @api private
      */

					JSONPPolling.prototype.doClose = function () {
						if (this.script) {
							this.script.parentNode.removeChild(this.script);
							this.script = null;
						}

						if (this.form) {
							this.form.parentNode.removeChild(this.form);
							this.form = null;
							this.iframe = null;
						}

						Polling.prototype.doClose.call(this);
					};

					/**
      * Starts a poll cycle.
      *
      * @api private
      */

					JSONPPolling.prototype.doPoll = function () {
						var self = this;
						var script = document.createElement('script');

						if (this.script) {
							this.script.parentNode.removeChild(this.script);
							this.script = null;
						}

						script.async = true;
						script.src = this.uri();
						script.onerror = function (e) {
							self.onError('jsonp poll error', e);
						};

						var insertAt = document.getElementsByTagName('script')[0];
						if (insertAt) {
							insertAt.parentNode.insertBefore(script, insertAt);
						} else {
							(document.head || document.body).appendChild(script);
						}
						this.script = script;

						var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);

						if (isUAgecko) {
							setTimeout(function () {
								var iframe = document.createElement('iframe');
								document.body.appendChild(iframe);
								document.body.removeChild(iframe);
							}, 100);
						}
					};

					/**
      * Writes with a hidden iframe.
      *
      * @param {String} data to send
      * @param {Function} called upon flush.
      * @api private
      */

					JSONPPolling.prototype.doWrite = function (data, fn) {
						var self = this;

						if (!this.form) {
							var form = document.createElement('form');
							var area = document.createElement('textarea');
							var id = this.iframeId = 'eio_iframe_' + this.index;
							var iframe;

							form.className = 'socketio';
							form.style.position = 'absolute';
							form.style.top = '-1000px';
							form.style.left = '-1000px';
							form.target = id;
							form.method = 'POST';
							form.setAttribute('accept-charset', 'utf-8');
							area.name = 'd';
							form.appendChild(area);
							document.body.appendChild(form);

							this.form = form;
							this.area = area;
						}

						this.form.action = this.uri();

						function complete() {
							initIframe();
							fn();
						}

						function initIframe() {
							if (self.iframe) {
								try {
									self.form.removeChild(self.iframe);
								} catch (e) {
									self.onError('jsonp polling iframe removal error', e);
								}
							}

							try {
								// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
								var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
								iframe = document.createElement(html);
							} catch (e) {
								iframe = document.createElement('iframe');
								iframe.name = self.iframeId;
								iframe.src = 'javascript:0';
							}

							iframe.id = self.iframeId;

							self.form.appendChild(iframe);
							self.iframe = iframe;
						}

						initIframe();

						// escape \n to prevent it from being converted into \r\n by some UAs
						// double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
						data = data.replace(rEscapedNewline, '\\\n');
						this.area.value = data.replace(rNewline, '\\n');

						try {
							this.form.submit();
						} catch (e) {}

						if (this.iframe.attachEvent) {
							this.iframe.onreadystatechange = function () {
								if (self.iframe.readyState == 'complete') {
									complete();
								}
							};
						} else {
							this.iframe.onload = complete;
						}
					};
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "./polling": 8, "component-inherit": 16 }], 7: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * Module requirements.
      */

					var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
					var Polling = _dereq_('./polling');
					var Emitter = _dereq_('component-emitter');
					var inherit = _dereq_('component-inherit');
					var debug = _dereq_('debug')('engine.io-client:polling-xhr');

					/**
      * Module exports.
      */

					module.exports = XHR;
					module.exports.Request = Request;

					/**
      * Empty function
      */

					function empty() {}

					/**
      * XHR Polling constructor.
      *
      * @param {Object} opts
      * @api public
      */

					function XHR(opts) {
						Polling.call(this, opts);

						if (global.location) {
							var isSSL = 'https:' == location.protocol;
							var port = location.port;

							// some user agents have empty `location.port`
							if (!port) {
								port = isSSL ? 443 : 80;
							}

							this.xd = opts.hostname != global.location.hostname || port != opts.port;
							this.xs = opts.secure != isSSL;
						} else {
							this.extraHeaders = opts.extraHeaders;
						}
					}

					/**
      * Inherits from Polling.
      */

					inherit(XHR, Polling);

					/**
      * XHR supports binary
      */

					XHR.prototype.supportsBinary = true;

					/**
      * Creates a request.
      *
      * @param {String} method
      * @api private
      */

					XHR.prototype.request = function (opts) {
						opts = opts || {};
						opts.uri = this.uri();
						opts.xd = this.xd;
						opts.xs = this.xs;
						opts.agent = this.agent || false;
						opts.supportsBinary = this.supportsBinary;
						opts.enablesXDR = this.enablesXDR;

						// SSL options for Node.js client
						opts.pfx = this.pfx;
						opts.key = this.key;
						opts.passphrase = this.passphrase;
						opts.cert = this.cert;
						opts.ca = this.ca;
						opts.ciphers = this.ciphers;
						opts.rejectUnauthorized = this.rejectUnauthorized;

						// other options for Node.js client
						opts.extraHeaders = this.extraHeaders;

						return new Request(opts);
					};

					/**
      * Sends data.
      *
      * @param {String} data to send.
      * @param {Function} called upon flush.
      * @api private
      */

					XHR.prototype.doWrite = function (data, fn) {
						var isBinary = typeof data !== 'string' && data !== undefined;
						var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
						var self = this;
						req.on('success', fn);
						req.on('error', function (err) {
							self.onError('xhr post error', err);
						});
						this.sendXhr = req;
					};

					/**
      * Starts a poll cycle.
      *
      * @api private
      */

					XHR.prototype.doPoll = function () {
						debug('xhr poll');
						var req = this.request();
						var self = this;
						req.on('data', function (data) {
							self.onData(data);
						});
						req.on('error', function (err) {
							self.onError('xhr poll error', err);
						});
						this.pollXhr = req;
					};

					/**
      * Request constructor
      *
      * @param {Object} options
      * @api public
      */

					function Request(opts) {
						this.method = opts.method || 'GET';
						this.uri = opts.uri;
						this.xd = !!opts.xd;
						this.xs = !!opts.xs;
						this.async = false !== opts.async;
						this.data = undefined != opts.data ? opts.data : null;
						this.agent = opts.agent;
						this.isBinary = opts.isBinary;
						this.supportsBinary = opts.supportsBinary;
						this.enablesXDR = opts.enablesXDR;

						// SSL options for Node.js client
						this.pfx = opts.pfx;
						this.key = opts.key;
						this.passphrase = opts.passphrase;
						this.cert = opts.cert;
						this.ca = opts.ca;
						this.ciphers = opts.ciphers;
						this.rejectUnauthorized = opts.rejectUnauthorized;

						// other options for Node.js client
						this.extraHeaders = opts.extraHeaders;

						this.create();
					}

					/**
      * Mix in `Emitter`.
      */

					Emitter(Request.prototype);

					/**
      * Creates the XHR object and sends the request.
      *
      * @api private
      */

					Request.prototype.create = function () {
						var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };

						// SSL options for Node.js client
						opts.pfx = this.pfx;
						opts.key = this.key;
						opts.passphrase = this.passphrase;
						opts.cert = this.cert;
						opts.ca = this.ca;
						opts.ciphers = this.ciphers;
						opts.rejectUnauthorized = this.rejectUnauthorized;

						var xhr = this.xhr = new XMLHttpRequest(opts);
						var self = this;

						try {
							debug('xhr open %s: %s', this.method, this.uri);
							xhr.open(this.method, this.uri, this.async);
							try {
								if (this.extraHeaders) {
									xhr.setDisableHeaderCheck(true);
									for (var i in this.extraHeaders) {
										if (this.extraHeaders.hasOwnProperty(i)) {
											xhr.setRequestHeader(i, this.extraHeaders[i]);
										}
									}
								}
							} catch (e) {}
							if (this.supportsBinary) {
								// This has to be done after open because Firefox is stupid
								// http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
								xhr.responseType = 'arraybuffer';
							}

							if ('POST' == this.method) {
								try {
									if (this.isBinary) {
										xhr.setRequestHeader('Content-type', 'application/octet-stream');
									} else {
										xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
									}
								} catch (e) {}
							}

							// ie6 check
							if ('withCredentials' in xhr) {
								xhr.withCredentials = true;
							}

							if (this.hasXDR()) {
								xhr.onload = function () {
									self.onLoad();
								};
								xhr.onerror = function () {
									self.onError(xhr.responseText);
								};
							} else {
								xhr.onreadystatechange = function () {
									if (4 != xhr.readyState) return;
									if (200 == xhr.status || 1223 == xhr.status) {
										self.onLoad();
									} else {
										// make sure the `error` event handler that's user-set
										// does not throw in the same tick and gets caught here
										setTimeout(function () {
											self.onError(xhr.status);
										}, 0);
									}
								};
							}

							debug('xhr data %s', this.data);
							xhr.send(this.data);
						} catch (e) {
							// Need to defer since .create() is called directly fhrom the constructor
							// and thus the 'error' event can only be only bound *after* this exception
							// occurs.  Therefore, also, we cannot throw here at all.
							setTimeout(function () {
								self.onError(e);
							}, 0);
							return;
						}

						if (global.document) {
							this.index = Request.requestsCount++;
							Request.requests[this.index] = this;
						}
					};

					/**
      * Called upon successful response.
      *
      * @api private
      */

					Request.prototype.onSuccess = function () {
						this.emit('success');
						this.cleanup();
					};

					/**
      * Called if we have data.
      *
      * @api private
      */

					Request.prototype.onData = function (data) {
						this.emit('data', data);
						this.onSuccess();
					};

					/**
      * Called upon error.
      *
      * @api private
      */

					Request.prototype.onError = function (err) {
						this.emit('error', err);
						this.cleanup(true);
					};

					/**
      * Cleans up house.
      *
      * @api private
      */

					Request.prototype.cleanup = function (fromError) {
						if ('undefined' == typeof this.xhr || null === this.xhr) {
							return;
						}
						// xmlhttprequest
						if (this.hasXDR()) {
							this.xhr.onload = this.xhr.onerror = empty;
						} else {
							this.xhr.onreadystatechange = empty;
						}

						if (fromError) {
							try {
								this.xhr.abort();
							} catch (e) {}
						}

						if (global.document) {
							delete Request.requests[this.index];
						}

						this.xhr = null;
					};

					/**
      * Called upon load.
      *
      * @api private
      */

					Request.prototype.onLoad = function () {
						var data;
						try {
							var contentType;
							try {
								contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
							} catch (e) {}
							if (contentType === 'application/octet-stream') {
								data = this.xhr.response;
							} else {
								if (!this.supportsBinary) {
									data = this.xhr.responseText;
								} else {
									try {
										data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
									} catch (e) {
										var ui8Arr = new Uint8Array(this.xhr.response);
										var dataArray = [];
										for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
											dataArray.push(ui8Arr[idx]);
										}

										data = String.fromCharCode.apply(null, dataArray);
									}
								}
							}
						} catch (e) {
							this.onError(e);
						}
						if (null != data) {
							this.onData(data);
						}
					};

					/**
      * Check if it has XDomainRequest.
      *
      * @api private
      */

					Request.prototype.hasXDR = function () {
						return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
					};

					/**
      * Aborts the request.
      *
      * @api public
      */

					Request.prototype.abort = function () {
						this.cleanup();
					};

					/**
      * Aborts pending requests when unloading the window. This is needed to prevent
      * memory leaks (e.g. when using IE) and to ensure that no spurious error is
      * emitted.
      */

					if (global.document) {
						Request.requestsCount = 0;
						Request.requests = {};
						if (global.attachEvent) {
							global.attachEvent('onunload', unloadHandler);
						} else if (global.addEventListener) {
							global.addEventListener('beforeunload', unloadHandler, false);
						}
					}

					function unloadHandler() {
						for (var i in Request.requests) {
							if (Request.requests.hasOwnProperty(i)) {
								Request.requests[i].abort();
							}
						}
					}
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "./polling": 8, "component-emitter": 15, "component-inherit": 16, "debug": 17, "xmlhttprequest-ssl": 10 }], 8: [function (_dereq_, module, exports) {
				/**
     * Module dependencies.
     */

				var Transport = _dereq_('../transport');
				var parseqs = _dereq_('parseqs');
				var parser = _dereq_('engine.io-parser');
				var inherit = _dereq_('component-inherit');
				var yeast = _dereq_('yeast');
				var debug = _dereq_('debug')('engine.io-client:polling');

				/**
     * Module exports.
     */

				module.exports = Polling;

				/**
     * Is XHR2 supported?
     */

				var hasXHR2 = function () {
					var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
					var xhr = new XMLHttpRequest({ xdomain: false });
					return null != xhr.responseType;
				}();

				/**
     * Polling interface.
     *
     * @param {Object} opts
     * @api private
     */

				function Polling(opts) {
					var forceBase64 = opts && opts.forceBase64;
					if (!hasXHR2 || forceBase64) {
						this.supportsBinary = false;
					}
					Transport.call(this, opts);
				}

				/**
     * Inherits from Transport.
     */

				inherit(Polling, Transport);

				/**
     * Transport name.
     */

				Polling.prototype.name = 'polling';

				/**
     * Opens the socket (triggers polling). We write a PING message to determine
     * when the transport is open.
     *
     * @api private
     */

				Polling.prototype.doOpen = function () {
					this.poll();
				};

				/**
     * Pauses polling.
     *
     * @param {Function} callback upon buffers are flushed and transport is paused
     * @api private
     */

				Polling.prototype.pause = function (onPause) {
					var pending = 0;
					var self = this;

					this.readyState = 'pausing';

					function pause() {
						debug('paused');
						self.readyState = 'paused';
						onPause();
					}

					if (this.polling || !this.writable) {
						var total = 0;

						if (this.polling) {
							debug('we are currently polling - waiting to pause');
							total++;
							this.once('pollComplete', function () {
								debug('pre-pause polling complete');
								--total || pause();
							});
						}

						if (!this.writable) {
							debug('we are currently writing - waiting to pause');
							total++;
							this.once('drain', function () {
								debug('pre-pause writing complete');
								--total || pause();
							});
						}
					} else {
						pause();
					}
				};

				/**
     * Starts polling cycle.
     *
     * @api public
     */

				Polling.prototype.poll = function () {
					debug('polling');
					this.polling = true;
					this.doPoll();
					this.emit('poll');
				};

				/**
     * Overloads onData to detect payloads.
     *
     * @api private
     */

				Polling.prototype.onData = function (data) {
					var self = this;
					debug('polling got data %s', data);
					var callback = function callback(packet, index, total) {
						// if its the first message we consider the transport open
						if ('opening' == self.readyState) {
							self.onOpen();
						}

						// if its a close packet, we close the ongoing requests
						if ('close' == packet.type) {
							self.onClose();
							return false;
						}

						// otherwise bypass onData and handle the message
						self.onPacket(packet);
					};

					// decode payload
					parser.decodePayload(data, this.socket.binaryType, callback);

					// if an event did not trigger closing
					if ('closed' != this.readyState) {
						// if we got data we're not polling
						this.polling = false;
						this.emit('pollComplete');

						if ('open' == this.readyState) {
							this.poll();
						} else {
							debug('ignoring poll - transport state "%s"', this.readyState);
						}
					}
				};

				/**
     * For polling, send a close packet.
     *
     * @api private
     */

				Polling.prototype.doClose = function () {
					var self = this;

					function close() {
						debug('writing close packet');
						self.write([{ type: 'close' }]);
					}

					if ('open' == this.readyState) {
						debug('transport open - closing');
						close();
					} else {
						// in case we're trying to close while
						// handshaking is in progress (GH-164)
						debug('transport not open - deferring close');
						this.once('open', close);
					}
				};

				/**
     * Writes a packets payload.
     *
     * @param {Array} data packets
     * @param {Function} drain callback
     * @api private
     */

				Polling.prototype.write = function (packets) {
					var self = this;
					this.writable = false;
					var callbackfn = function callbackfn() {
						self.writable = true;
						self.emit('drain');
					};

					var self = this;
					parser.encodePayload(packets, this.supportsBinary, function (data) {
						self.doWrite(data, callbackfn);
					});
				};

				/**
     * Generates uri for connection.
     *
     * @api private
     */

				Polling.prototype.uri = function () {
					var query = this.query || {};
					var schema = this.secure ? 'https' : 'http';
					var port = '';

					// cache busting is forced
					if (false !== this.timestampRequests) {
						query[this.timestampParam] = yeast();
					}

					if (!this.supportsBinary && !query.sid) {
						query.b64 = 1;
					}

					query = parseqs.encode(query);

					// avoid port if default for schema
					if (this.port && ('https' == schema && this.port != 443 || 'http' == schema && this.port != 80)) {
						port = ':' + this.port;
					}

					// prepend ? to query
					if (query.length) {
						query = '?' + query;
					}

					var ipv6 = this.hostname.indexOf(':') !== -1;
					return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
				};
			}, { "../transport": 4, "component-inherit": 16, "debug": 17, "engine.io-parser": 19, "parseqs": 27, "xmlhttprequest-ssl": 10, "yeast": 30 }], 9: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * Module dependencies.
      */

					var Transport = _dereq_('../transport');
					var parser = _dereq_('engine.io-parser');
					var parseqs = _dereq_('parseqs');
					var inherit = _dereq_('component-inherit');
					var yeast = _dereq_('yeast');
					var debug = _dereq_('debug')('engine.io-client:websocket');
					var BrowserWebSocket = global.WebSocket || global.MozWebSocket;

					/**
      * Get either the `WebSocket` or `MozWebSocket` globals
      * in the browser or try to resolve WebSocket-compatible
      * interface exposed by `ws` for Node-like environment.
      */

					var WebSocket = BrowserWebSocket;
					if (!WebSocket && typeof window === 'undefined') {
						try {
							WebSocket = _dereq_('ws');
						} catch (e) {}
					}

					/**
      * Module exports.
      */

					module.exports = WS;

					/**
      * WebSocket transport constructor.
      *
      * @api {Object} connection options
      * @api public
      */

					function WS(opts) {
						var forceBase64 = opts && opts.forceBase64;
						if (forceBase64) {
							this.supportsBinary = false;
						}
						this.perMessageDeflate = opts.perMessageDeflate;
						Transport.call(this, opts);
					}

					/**
      * Inherits from Transport.
      */

					inherit(WS, Transport);

					/**
      * Transport name.
      *
      * @api public
      */

					WS.prototype.name = 'websocket';

					/*
      * WebSockets support binary
      */

					WS.prototype.supportsBinary = true;

					/**
      * Opens socket.
      *
      * @api private
      */

					WS.prototype.doOpen = function () {
						if (!this.check()) {
							// let probe timeout
							return;
						}

						var self = this;
						var uri = this.uri();
						var protocols = void 0;
						var opts = {
							agent: this.agent,
							perMessageDeflate: this.perMessageDeflate
						};

						// SSL options for Node.js client
						opts.pfx = this.pfx;
						opts.key = this.key;
						opts.passphrase = this.passphrase;
						opts.cert = this.cert;
						opts.ca = this.ca;
						opts.ciphers = this.ciphers;
						opts.rejectUnauthorized = this.rejectUnauthorized;
						if (this.extraHeaders) {
							opts.headers = this.extraHeaders;
						}

						this.ws = BrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);

						if (this.ws.binaryType === undefined) {
							this.supportsBinary = false;
						}

						if (this.ws.supports && this.ws.supports.binary) {
							this.supportsBinary = true;
							this.ws.binaryType = 'buffer';
						} else {
							this.ws.binaryType = 'arraybuffer';
						}

						this.addEventListeners();
					};

					/**
      * Adds event listeners to the socket
      *
      * @api private
      */

					WS.prototype.addEventListeners = function () {
						var self = this;

						this.ws.onopen = function () {
							self.onOpen();
						};
						this.ws.onclose = function () {
							self.onClose();
						};
						this.ws.onmessage = function (ev) {
							self.onData(ev.data);
						};
						this.ws.onerror = function (e) {
							self.onError('websocket error', e);
						};
					};

					/**
      * Override `onData` to use a timer on iOS.
      * See: https://gist.github.com/mloughran/2052006
      *
      * @api private
      */

					if ('undefined' != typeof navigator && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
						WS.prototype.onData = function (data) {
							var self = this;
							setTimeout(function () {
								Transport.prototype.onData.call(self, data);
							}, 0);
						};
					}

					/**
      * Writes data to socket.
      *
      * @param {Array} array of packets.
      * @api private
      */

					WS.prototype.write = function (packets) {
						var self = this;
						this.writable = false;

						// encodePacket efficient as it uses WS framing
						// no need for encodePayload
						var total = packets.length;
						for (var i = 0, l = total; i < l; i++) {
							(function (packet) {
								parser.encodePacket(packet, self.supportsBinary, function (data) {
									if (!BrowserWebSocket) {
										// always create a new object (GH-437)
										var opts = {};
										if (packet.options) {
											opts.compress = packet.options.compress;
										}

										if (self.perMessageDeflate) {
											var len = 'string' == typeof data ? global.Buffer.byteLength(data) : data.length;
											if (len < self.perMessageDeflate.threshold) {
												opts.compress = false;
											}
										}
									}

									//Sometimes the websocket has already been closed but the browser didn't
									//have a chance of informing us about it yet, in that case send will
									//throw an error
									try {
										if (BrowserWebSocket) {
											// TypeError is thrown when passing the second argument on Safari
											self.ws.send(data);
										} else {
											self.ws.send(data, opts);
										}
									} catch (e) {
										debug('websocket closed before onclose event');
									}

									--total || done();
								});
							})(packets[i]);
						}

						function done() {
							self.emit('flush');

							// fake drain
							// defer to next tick to allow Socket to clear writeBuffer
							setTimeout(function () {
								self.writable = true;
								self.emit('drain');
							}, 0);
						}
					};

					/**
      * Called upon close
      *
      * @api private
      */

					WS.prototype.onClose = function () {
						Transport.prototype.onClose.call(this);
					};

					/**
      * Closes socket.
      *
      * @api private
      */

					WS.prototype.doClose = function () {
						if (typeof this.ws !== 'undefined') {
							this.ws.close();
						}
					};

					/**
      * Generates uri for connection.
      *
      * @api private
      */

					WS.prototype.uri = function () {
						var query = this.query || {};
						var schema = this.secure ? 'wss' : 'ws';
						var port = '';

						// avoid port if default for schema
						if (this.port && ('wss' == schema && this.port != 443 || 'ws' == schema && this.port != 80)) {
							port = ':' + this.port;
						}

						// append timestamp to URI
						if (this.timestampRequests) {
							query[this.timestampParam] = yeast();
						}

						// communicate binary support capabilities
						if (!this.supportsBinary) {
							query.b64 = 1;
						}

						query = parseqs.encode(query);

						// prepend ? to query
						if (query.length) {
							query = '?' + query;
						}

						var ipv6 = this.hostname.indexOf(':') !== -1;
						return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
					};

					/**
      * Feature detection for WebSocket.
      *
      * @return {Boolean} whether this transport is available.
      * @api public
      */

					WS.prototype.check = function () {
						return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
					};
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "../transport": 4, "component-inherit": 16, "debug": 17, "engine.io-parser": 19, "parseqs": 27, "ws": undefined, "yeast": 30 }], 10: [function (_dereq_, module, exports) {
				// browser shim for xmlhttprequest module
				var hasCORS = _dereq_('has-cors');

				module.exports = function (opts) {
					var xdomain = opts.xdomain;

					// scheme must be same when usign XDomainRequest
					// http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
					var xscheme = opts.xscheme;

					// XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
					// https://github.com/Automattic/engine.io-client/pull/217
					var enablesXDR = opts.enablesXDR;

					// XMLHttpRequest can be disabled on IE
					try {
						if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
							return new XMLHttpRequest();
						}
					} catch (e) {}

					// Use XDomainRequest for IE8 if enablesXDR is true
					// because loading bar keeps flashing when using jsonp-polling
					// https://github.com/yujiosaka/socke.io-ie8-loading-example
					try {
						if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
							return new XDomainRequest();
						}
					} catch (e) {}

					if (!xdomain) {
						try {
							return new ActiveXObject('Microsoft.XMLHTTP');
						} catch (e) {}
					}
				};
			}, { "has-cors": 22 }], 11: [function (_dereq_, module, exports) {
				module.exports = after;

				function after(count, callback, err_cb) {
					var bail = false;
					err_cb = err_cb || noop;
					proxy.count = count;

					return count === 0 ? callback() : proxy;

					function proxy(err, result) {
						if (proxy.count <= 0) {
							throw new Error('after called too many times');
						}
						--proxy.count;

						// after first error, rest are passed to err_cb
						if (err) {
							bail = true;
							callback(err);
							// future error callbacks will go to error handler
							callback = err_cb;
						} else if (proxy.count === 0 && !bail) {
							callback(null, result);
						}
					}
				}

				function noop() {}
			}, {}], 12: [function (_dereq_, module, exports) {
				/**
     * An abstraction for slicing an arraybuffer even when
     * ArrayBuffer.prototype.slice is not supported
     *
     * @api public
     */

				module.exports = function (arraybuffer, start, end) {
					var bytes = arraybuffer.byteLength;
					start = start || 0;
					end = end || bytes;

					if (arraybuffer.slice) {
						return arraybuffer.slice(start, end);
					}

					if (start < 0) {
						start += bytes;
					}
					if (end < 0) {
						end += bytes;
					}
					if (end > bytes) {
						end = bytes;
					}

					if (start >= bytes || start >= end || bytes === 0) {
						return new ArrayBuffer(0);
					}

					var abv = new Uint8Array(arraybuffer);
					var result = new Uint8Array(end - start);
					for (var i = start, ii = 0; i < end; i++, ii++) {
						result[ii] = abv[i];
					}
					return result.buffer;
				};
			}, {}], 13: [function (_dereq_, module, exports) {
				/*
     * base64-arraybuffer
     * https://github.com/niklasvh/base64-arraybuffer
     *
     * Copyright (c) 2012 Niklas von Hertzen
     * Licensed under the MIT license.
     */
				(function (chars) {
					"use strict";

					exports.encode = function (arraybuffer) {
						var bytes = new Uint8Array(arraybuffer),
						    i,
						    len = bytes.length,
						    base64 = "";

						for (i = 0; i < len; i += 3) {
							base64 += chars[bytes[i] >> 2];
							base64 += chars[(bytes[i] & 3) << 4 | bytes[i + 1] >> 4];
							base64 += chars[(bytes[i + 1] & 15) << 2 | bytes[i + 2] >> 6];
							base64 += chars[bytes[i + 2] & 63];
						}

						if (len % 3 === 2) {
							base64 = base64.substring(0, base64.length - 1) + "=";
						} else if (len % 3 === 1) {
							base64 = base64.substring(0, base64.length - 2) + "==";
						}

						return base64;
					};

					exports.decode = function (base64) {
						var bufferLength = base64.length * 0.75,
						    len = base64.length,
						    i,
						    p = 0,
						    encoded1,
						    encoded2,
						    encoded3,
						    encoded4;

						if (base64[base64.length - 1] === "=") {
							bufferLength--;
							if (base64[base64.length - 2] === "=") {
								bufferLength--;
							}
						}

						var arraybuffer = new ArrayBuffer(bufferLength),
						    bytes = new Uint8Array(arraybuffer);

						for (i = 0; i < len; i += 4) {
							encoded1 = chars.indexOf(base64[i]);
							encoded2 = chars.indexOf(base64[i + 1]);
							encoded3 = chars.indexOf(base64[i + 2]);
							encoded4 = chars.indexOf(base64[i + 3]);

							bytes[p++] = encoded1 << 2 | encoded2 >> 4;
							bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
							bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
						}

						return arraybuffer;
					};
				})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
			}, {}], 14: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * Create a blob builder even when vendor prefixes exist
      */

					var BlobBuilder = global.BlobBuilder || global.WebKitBlobBuilder || global.MSBlobBuilder || global.MozBlobBuilder;

					/**
      * Check if Blob constructor is supported
      */

					var blobSupported = function () {
						try {
							var a = new Blob(['hi']);
							return a.size === 2;
						} catch (e) {
							return false;
						}
					}();

					/**
      * Check if Blob constructor supports ArrayBufferViews
      * Fails in Safari 6, so we need to map to ArrayBuffers there.
      */

					var blobSupportsArrayBufferView = blobSupported && function () {
						try {
							var b = new Blob([new Uint8Array([1, 2])]);
							return b.size === 2;
						} catch (e) {
							return false;
						}
					}();

					/**
      * Check if BlobBuilder is supported
      */

					var blobBuilderSupported = BlobBuilder && BlobBuilder.prototype.append && BlobBuilder.prototype.getBlob;

					/**
      * Helper function that maps ArrayBufferViews to ArrayBuffers
      * Used by BlobBuilder constructor and old browsers that didn't
      * support it in the Blob constructor.
      */

					function mapArrayBufferViews(ary) {
						for (var i = 0; i < ary.length; i++) {
							var chunk = ary[i];
							if (chunk.buffer instanceof ArrayBuffer) {
								var buf = chunk.buffer;

								// if this is a subarray, make a copy so we only
								// include the subarray region from the underlying buffer
								if (chunk.byteLength !== buf.byteLength) {
									var copy = new Uint8Array(chunk.byteLength);
									copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
									buf = copy.buffer;
								}

								ary[i] = buf;
							}
						}
					}

					function BlobBuilderConstructor(ary, options) {
						options = options || {};

						var bb = new BlobBuilder();
						mapArrayBufferViews(ary);

						for (var i = 0; i < ary.length; i++) {
							bb.append(ary[i]);
						}

						return options.type ? bb.getBlob(options.type) : bb.getBlob();
					};

					function BlobConstructor(ary, options) {
						mapArrayBufferViews(ary);
						return new Blob(ary, options || {});
					};

					module.exports = function () {
						if (blobSupported) {
							return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
						} else if (blobBuilderSupported) {
							return BlobBuilderConstructor;
						} else {
							return undefined;
						}
					}();
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, {}], 15: [function (_dereq_, module, exports) {

				/**
     * Expose `Emitter`.
     */

				module.exports = Emitter;

				/**
     * Initialize a new `Emitter`.
     *
     * @api public
     */

				function Emitter(obj) {
					if (obj) return mixin(obj);
				};

				/**
     * Mixin the emitter properties.
     *
     * @param {Object} obj
     * @return {Object}
     * @api private
     */

				function mixin(obj) {
					for (var key in Emitter.prototype) {
						obj[key] = Emitter.prototype[key];
					}
					return obj;
				}

				/**
     * Listen on the given `event` with `fn`.
     *
     * @param {String} event
     * @param {Function} fn
     * @return {Emitter}
     * @api public
     */

				Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
					this._callbacks = this._callbacks || {};
					(this._callbacks[event] = this._callbacks[event] || []).push(fn);
					return this;
				};

				/**
     * Adds an `event` listener that will be invoked a single
     * time then automatically removed.
     *
     * @param {String} event
     * @param {Function} fn
     * @return {Emitter}
     * @api public
     */

				Emitter.prototype.once = function (event, fn) {
					var self = this;
					this._callbacks = this._callbacks || {};

					function on() {
						self.off(event, on);
						fn.apply(this, arguments);
					}

					on.fn = fn;
					this.on(event, on);
					return this;
				};

				/**
     * Remove the given callback for `event` or all
     * registered callbacks.
     *
     * @param {String} event
     * @param {Function} fn
     * @return {Emitter}
     * @api public
     */

				Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
					this._callbacks = this._callbacks || {};

					// all
					if (0 == arguments.length) {
						this._callbacks = {};
						return this;
					}

					// specific event
					var callbacks = this._callbacks[event];
					if (!callbacks) return this;

					// remove all handlers
					if (1 == arguments.length) {
						delete this._callbacks[event];
						return this;
					}

					// remove specific handler
					var cb;
					for (var i = 0; i < callbacks.length; i++) {
						cb = callbacks[i];
						if (cb === fn || cb.fn === fn) {
							callbacks.splice(i, 1);
							break;
						}
					}
					return this;
				};

				/**
     * Emit `event` with the given args.
     *
     * @param {String} event
     * @param {Mixed} ...
     * @return {Emitter}
     */

				Emitter.prototype.emit = function (event) {
					this._callbacks = this._callbacks || {};
					var args = [].slice.call(arguments, 1),
					    callbacks = this._callbacks[event];

					if (callbacks) {
						callbacks = callbacks.slice(0);
						for (var i = 0, len = callbacks.length; i < len; ++i) {
							callbacks[i].apply(this, args);
						}
					}

					return this;
				};

				/**
     * Return array of callbacks for `event`.
     *
     * @param {String} event
     * @return {Array}
     * @api public
     */

				Emitter.prototype.listeners = function (event) {
					this._callbacks = this._callbacks || {};
					return this._callbacks[event] || [];
				};

				/**
     * Check if this emitter has `event` handlers.
     *
     * @param {String} event
     * @return {Boolean}
     * @api public
     */

				Emitter.prototype.hasListeners = function (event) {
					return !!this.listeners(event).length;
				};
			}, {}], 16: [function (_dereq_, module, exports) {

				module.exports = function (a, b) {
					var fn = function fn() {};
					fn.prototype = b.prototype;
					a.prototype = new fn();
					a.prototype.constructor = a;
				};
			}, {}], 17: [function (_dereq_, module, exports) {

				/**
     * This is the web browser implementation of `debug()`.
     *
     * Expose `debug()` as the module.
     */

				exports = module.exports = _dereq_('./debug');
				exports.log = log;
				exports.formatArgs = formatArgs;
				exports.save = save;
				exports.load = load;
				exports.useColors = useColors;
				exports.storage = 'undefined' != typeof chrome && 'undefined' != typeof chrome.storage ? chrome.storage.local : localstorage();

				/**
     * Colors.
     */

				exports.colors = ['lightseagreen', 'forestgreen', 'goldenrod', 'dodgerblue', 'darkorchid', 'crimson'];

				/**
     * Currently only WebKit-based Web Inspectors, Firefox >= v31,
     * and the Firebug extension (any Firefox version) are known
     * to support "%c" CSS customizations.
     *
     * TODO: add a `localStorage` variable to explicitly enable/disable colors
     */

				function useColors() {
					// is webkit? http://stackoverflow.com/a/16459606/376773
					return 'WebkitAppearance' in document.documentElement.style ||
					// is firebug? http://stackoverflow.com/a/398120/376773
					window.console && (console.firebug || console.exception && console.table) ||
					// is firefox >= v31?
					// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
					navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31;
				}

				/**
     * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
     */

				exports.formatters.j = function (v) {
					return JSON.stringify(v);
				};

				/**
     * Colorize log arguments if enabled.
     *
     * @api public
     */

				function formatArgs() {
					var args = arguments;
					var useColors = this.useColors;

					args[0] = (useColors ? '%c' : '') + this.namespace + (useColors ? ' %c' : ' ') + args[0] + (useColors ? '%c ' : ' ') + '+' + exports.humanize(this.diff);

					if (!useColors) return args;

					var c = 'color: ' + this.color;
					args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));

					// the final "%c" is somewhat tricky, because there could be other
					// arguments passed either before or after the %c, so we need to
					// figure out the correct index to insert the CSS into
					var index = 0;
					var lastC = 0;
					args[0].replace(/%[a-z%]/g, function (match) {
						if ('%%' === match) return;
						index++;
						if ('%c' === match) {
							// we only are interested in the *last* %c
							// (the user may have provided their own)
							lastC = index;
						}
					});

					args.splice(lastC, 0, c);
					return args;
				}

				/**
     * Invokes `console.log()` when available.
     * No-op when `console.log` is not a "function".
     *
     * @api public
     */

				function log() {
					// this hackery is required for IE8/9, where
					// the `console.log` function doesn't have 'apply'
					return 'object' === (typeof console === "undefined" ? "undefined" : _typeof(console)) && console.log && Function.prototype.apply.call(console.log, console, arguments);
				}

				/**
     * Save `namespaces`.
     *
     * @param {String} namespaces
     * @api private
     */

				function save(namespaces) {
					try {
						if (null == namespaces) {
							exports.storage.removeItem('debug');
						} else {
							exports.storage.debug = namespaces;
						}
					} catch (e) {}
				}

				/**
     * Load `namespaces`.
     *
     * @return {String} returns the previously persisted debug modes
     * @api private
     */

				function load() {
					var r;
					try {
						r = exports.storage.debug;
					} catch (e) {}
					return r;
				}

				/**
     * Enable namespaces listed in `localStorage.debug` initially.
     */

				exports.enable(load());

				/**
     * Localstorage attempts to return the localstorage.
     *
     * This is necessary because safari throws
     * when a user disables cookies/localstorage
     * and you attempt to access it.
     *
     * @return {LocalStorage}
     * @api private
     */

				function localstorage() {
					try {
						return window.localStorage;
					} catch (e) {}
				}
			}, { "./debug": 18 }], 18: [function (_dereq_, module, exports) {

				/**
     * This is the common logic for both the Node.js and web browser
     * implementations of `debug()`.
     *
     * Expose `debug()` as the module.
     */

				exports = module.exports = debug;
				exports.coerce = coerce;
				exports.disable = disable;
				exports.enable = enable;
				exports.enabled = enabled;
				exports.humanize = _dereq_('ms');

				/**
     * The currently active debug mode names, and names to skip.
     */

				exports.names = [];
				exports.skips = [];

				/**
     * Map of special "%n" handling functions, for the debug "format" argument.
     *
     * Valid key names are a single, lowercased letter, i.e. "n".
     */

				exports.formatters = {};

				/**
     * Previously assigned color.
     */

				var prevColor = 0;

				/**
     * Previous log timestamp.
     */

				var prevTime;

				/**
     * Select a color.
     *
     * @return {Number}
     * @api private
     */

				function selectColor() {
					return exports.colors[prevColor++ % exports.colors.length];
				}

				/**
     * Create a debugger with the given `namespace`.
     *
     * @param {String} namespace
     * @return {Function}
     * @api public
     */

				function debug(namespace) {

					// define the `disabled` version
					function disabled() {}
					disabled.enabled = false;

					// define the `enabled` version
					function enabled() {

						var self = enabled;

						// set `diff` timestamp
						var curr = +new Date();
						var ms = curr - (prevTime || curr);
						self.diff = ms;
						self.prev = prevTime;
						self.curr = curr;
						prevTime = curr;

						// add the `color` if not set
						if (null == self.useColors) self.useColors = exports.useColors();
						if (null == self.color && self.useColors) self.color = selectColor();

						var args = Array.prototype.slice.call(arguments);

						args[0] = exports.coerce(args[0]);

						if ('string' !== typeof args[0]) {
							// anything else let's inspect with %o
							args = ['%o'].concat(args);
						}

						// apply any `formatters` transformations
						var index = 0;
						args[0] = args[0].replace(/%([a-z%])/g, function (match, format) {
							// if we encounter an escaped % then don't increase the array index
							if (match === '%%') return match;
							index++;
							var formatter = exports.formatters[format];
							if ('function' === typeof formatter) {
								var val = args[index];
								match = formatter.call(self, val);

								// now we need to remove `args[index]` since it's inlined in the `format`
								args.splice(index, 1);
								index--;
							}
							return match;
						});

						if ('function' === typeof exports.formatArgs) {
							args = exports.formatArgs.apply(self, args);
						}
						var logFn = enabled.log || exports.log || console.log.bind(console);
						logFn.apply(self, args);
					}
					enabled.enabled = true;

					var fn = exports.enabled(namespace) ? enabled : disabled;

					fn.namespace = namespace;

					return fn;
				}

				/**
     * Enables a debug mode by namespaces. This can include modes
     * separated by a colon and wildcards.
     *
     * @param {String} namespaces
     * @api public
     */

				function enable(namespaces) {
					exports.save(namespaces);

					var split = (namespaces || '').split(/[\s,]+/);
					var len = split.length;

					for (var i = 0; i < len; i++) {
						if (!split[i]) continue; // ignore empty strings
						namespaces = split[i].replace(/\*/g, '.*?');
						if (namespaces[0] === '-') {
							exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
						} else {
							exports.names.push(new RegExp('^' + namespaces + '$'));
						}
					}
				}

				/**
     * Disable debug output.
     *
     * @api public
     */

				function disable() {
					exports.enable('');
				}

				/**
     * Returns true if the given mode name is enabled, false otherwise.
     *
     * @param {String} name
     * @return {Boolean}
     * @api public
     */

				function enabled(name) {
					var i, len;
					for (i = 0, len = exports.skips.length; i < len; i++) {
						if (exports.skips[i].test(name)) {
							return false;
						}
					}
					for (i = 0, len = exports.names.length; i < len; i++) {
						if (exports.names[i].test(name)) {
							return true;
						}
					}
					return false;
				}

				/**
     * Coerce `val`.
     *
     * @param {Mixed} val
     * @return {Mixed}
     * @api private
     */

				function coerce(val) {
					if (val instanceof Error) return val.stack || val.message;
					return val;
				}
			}, { "ms": 25 }], 19: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * Module dependencies.
      */

					var keys = _dereq_('./keys');
					var hasBinary = _dereq_('has-binary');
					var sliceBuffer = _dereq_('arraybuffer.slice');
					var base64encoder = _dereq_('base64-arraybuffer');
					var after = _dereq_('after');
					var utf8 = _dereq_('utf8');

					/**
      * Check if we are running an android browser. That requires us to use
      * ArrayBuffer with polling transports...
      *
      * http://ghinda.net/jpeg-blob-ajax-android/
      */

					var isAndroid = navigator.userAgent.match(/Android/i);

					/**
      * Check if we are running in PhantomJS.
      * Uploading a Blob with PhantomJS does not work correctly, as reported here:
      * https://github.com/ariya/phantomjs/issues/11395
      * @type boolean
      */
					var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);

					/**
      * When true, avoids using Blobs to encode payloads.
      * @type boolean
      */
					var dontSendBlobs = isAndroid || isPhantomJS;

					/**
      * Current protocol version.
      */

					exports.protocol = 3;

					/**
      * Packet types.
      */

					var packets = exports.packets = {
						open: 0 // non-ws
						, close: 1 // non-ws
						, ping: 2,
						pong: 3,
						message: 4,
						upgrade: 5,
						noop: 6
					};

					var packetslist = keys(packets);

					/**
      * Premade error packet.
      */

					var err = { type: 'error', data: 'parser error' };

					/**
      * Create a blob api even for blob builder when vendor prefixes exist
      */

					var Blob = _dereq_('blob');

					/**
      * Encodes a packet.
      *
      *     <packet type id> [ <data> ]
      *
      * Example:
      *
      *     5hello world
      *     3
      *     4
      *
      * Binary is encoded in an identical principle
      *
      * @api private
      */

					exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
						if ('function' == typeof supportsBinary) {
							callback = supportsBinary;
							supportsBinary = false;
						}

						if ('function' == typeof utf8encode) {
							callback = utf8encode;
							utf8encode = null;
						}

						var data = packet.data === undefined ? undefined : packet.data.buffer || packet.data;

						if (global.ArrayBuffer && data instanceof ArrayBuffer) {
							return encodeArrayBuffer(packet, supportsBinary, callback);
						} else if (Blob && data instanceof global.Blob) {
							return encodeBlob(packet, supportsBinary, callback);
						}

						// might be an object with { base64: true, data: dataAsBase64String }
						if (data && data.base64) {
							return encodeBase64Object(packet, callback);
						}

						// Sending data as a utf-8 string
						var encoded = packets[packet.type];

						// data fragment is optional
						if (undefined !== packet.data) {
							encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
						}

						return callback('' + encoded);
					};

					function encodeBase64Object(packet, callback) {
						// packet data is an object { base64: true, data: dataAsBase64String }
						var message = 'b' + exports.packets[packet.type] + packet.data.data;
						return callback(message);
					}

					/**
      * Encode packet helpers for binary types
      */

					function encodeArrayBuffer(packet, supportsBinary, callback) {
						if (!supportsBinary) {
							return exports.encodeBase64Packet(packet, callback);
						}

						var data = packet.data;
						var contentArray = new Uint8Array(data);
						var resultBuffer = new Uint8Array(1 + data.byteLength);

						resultBuffer[0] = packets[packet.type];
						for (var i = 0; i < contentArray.length; i++) {
							resultBuffer[i + 1] = contentArray[i];
						}

						return callback(resultBuffer.buffer);
					}

					function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
						if (!supportsBinary) {
							return exports.encodeBase64Packet(packet, callback);
						}

						var fr = new FileReader();
						fr.onload = function () {
							packet.data = fr.result;
							exports.encodePacket(packet, supportsBinary, true, callback);
						};
						return fr.readAsArrayBuffer(packet.data);
					}

					function encodeBlob(packet, supportsBinary, callback) {
						if (!supportsBinary) {
							return exports.encodeBase64Packet(packet, callback);
						}

						if (dontSendBlobs) {
							return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
						}

						var length = new Uint8Array(1);
						length[0] = packets[packet.type];
						var blob = new Blob([length.buffer, packet.data]);

						return callback(blob);
					}

					/**
      * Encodes a packet with binary data in a base64 string
      *
      * @param {Object} packet, has `type` and `data`
      * @return {String} base64 encoded message
      */

					exports.encodeBase64Packet = function (packet, callback) {
						var message = 'b' + exports.packets[packet.type];
						if (Blob && packet.data instanceof global.Blob) {
							var fr = new FileReader();
							fr.onload = function () {
								var b64 = fr.result.split(',')[1];
								callback(message + b64);
							};
							return fr.readAsDataURL(packet.data);
						}

						var b64data;
						try {
							b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
						} catch (e) {
							// iPhone Safari doesn't let you apply with typed arrays
							var typed = new Uint8Array(packet.data);
							var basic = new Array(typed.length);
							for (var i = 0; i < typed.length; i++) {
								basic[i] = typed[i];
							}
							b64data = String.fromCharCode.apply(null, basic);
						}
						message += global.btoa(b64data);
						return callback(message);
					};

					/**
      * Decodes a packet. Changes format to Blob if requested.
      *
      * @return {Object} with `type` and `data` (if any)
      * @api private
      */

					exports.decodePacket = function (data, binaryType, utf8decode) {
						// String data
						if (typeof data == 'string' || data === undefined) {
							if (data.charAt(0) == 'b') {
								return exports.decodeBase64Packet(data.substr(1), binaryType);
							}

							if (utf8decode) {
								try {
									data = utf8.decode(data);
								} catch (e) {
									return err;
								}
							}
							var type = data.charAt(0);

							if (Number(type) != type || !packetslist[type]) {
								return err;
							}

							if (data.length > 1) {
								return { type: packetslist[type], data: data.substring(1) };
							} else {
								return { type: packetslist[type] };
							}
						}

						var asArray = new Uint8Array(data);
						var type = asArray[0];
						var rest = sliceBuffer(data, 1);
						if (Blob && binaryType === 'blob') {
							rest = new Blob([rest]);
						}
						return { type: packetslist[type], data: rest };
					};

					/**
      * Decodes a packet encoded in a base64 string
      *
      * @param {String} base64 encoded message
      * @return {Object} with `type` and `data` (if any)
      */

					exports.decodeBase64Packet = function (msg, binaryType) {
						var type = packetslist[msg.charAt(0)];
						if (!global.ArrayBuffer) {
							return { type: type, data: { base64: true, data: msg.substr(1) } };
						}

						var data = base64encoder.decode(msg.substr(1));

						if (binaryType === 'blob' && Blob) {
							data = new Blob([data]);
						}

						return { type: type, data: data };
					};

					/**
      * Encodes multiple messages (payload).
      *
      *     <length>:data
      *
      * Example:
      *
      *     11:hello world2:hi
      *
      * If any contents are binary, they will be encoded as base64 strings. Base64
      * encoded strings are marked with a b before the length specifier
      *
      * @param {Array} packets
      * @api private
      */

					exports.encodePayload = function (packets, supportsBinary, callback) {
						if (typeof supportsBinary == 'function') {
							callback = supportsBinary;
							supportsBinary = null;
						}

						var isBinary = hasBinary(packets);

						if (supportsBinary && isBinary) {
							if (Blob && !dontSendBlobs) {
								return exports.encodePayloadAsBlob(packets, callback);
							}

							return exports.encodePayloadAsArrayBuffer(packets, callback);
						}

						if (!packets.length) {
							return callback('0:');
						}

						function setLengthHeader(message) {
							return message.length + ':' + message;
						}

						function encodeOne(packet, doneCallback) {
							exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function (message) {
								doneCallback(null, setLengthHeader(message));
							});
						}

						map(packets, encodeOne, function (err, results) {
							return callback(results.join(''));
						});
					};

					/**
      * Async array map using after
      */

					function map(ary, each, done) {
						var result = new Array(ary.length);
						var next = after(ary.length, done);

						var eachWithIndex = function eachWithIndex(i, el, cb) {
							each(el, function (error, msg) {
								result[i] = msg;
								cb(error, result);
							});
						};

						for (var i = 0; i < ary.length; i++) {
							eachWithIndex(i, ary[i], next);
						}
					}

					/*
      * Decodes data when a payload is maybe expected. Possible binary contents are
      * decoded from their base64 representation
      *
      * @param {String} data, callback method
      * @api public
      */

					exports.decodePayload = function (data, binaryType, callback) {
						if (typeof data != 'string') {
							return exports.decodePayloadAsBinary(data, binaryType, callback);
						}

						if (typeof binaryType === 'function') {
							callback = binaryType;
							binaryType = null;
						}

						var packet;
						if (data == '') {
							// parser error - ignoring payload
							return callback(err, 0, 1);
						}

						var length = '',
						    n,
						    msg;

						for (var i = 0, l = data.length; i < l; i++) {
							var chr = data.charAt(i);

							if (':' != chr) {
								length += chr;
							} else {
								if ('' == length || length != (n = Number(length))) {
									// parser error - ignoring payload
									return callback(err, 0, 1);
								}

								msg = data.substr(i + 1, n);

								if (length != msg.length) {
									// parser error - ignoring payload
									return callback(err, 0, 1);
								}

								if (msg.length) {
									packet = exports.decodePacket(msg, binaryType, true);

									if (err.type == packet.type && err.data == packet.data) {
										// parser error in individual packet - ignoring payload
										return callback(err, 0, 1);
									}

									var ret = callback(packet, i + n, l);
									if (false === ret) return;
								}

								// advance cursor
								i += n;
								length = '';
							}
						}

						if (length != '') {
							// parser error - ignoring payload
							return callback(err, 0, 1);
						}
					};

					/**
      * Encodes multiple messages (payload) as binary.
      *
      * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
      * 255><data>
      *
      * Example:
      * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
      *
      * @param {Array} packets
      * @return {ArrayBuffer} encoded payload
      * @api private
      */

					exports.encodePayloadAsArrayBuffer = function (packets, callback) {
						if (!packets.length) {
							return callback(new ArrayBuffer(0));
						}

						function encodeOne(packet, doneCallback) {
							exports.encodePacket(packet, true, true, function (data) {
								return doneCallback(null, data);
							});
						}

						map(packets, encodeOne, function (err, encodedPackets) {
							var totalLength = encodedPackets.reduce(function (acc, p) {
								var len;
								if (typeof p === 'string') {
									len = p.length;
								} else {
									len = p.byteLength;
								}
								return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
							}, 0);

							var resultArray = new Uint8Array(totalLength);

							var bufferIndex = 0;
							encodedPackets.forEach(function (p) {
								var isString = typeof p === 'string';
								var ab = p;
								if (isString) {
									var view = new Uint8Array(p.length);
									for (var i = 0; i < p.length; i++) {
										view[i] = p.charCodeAt(i);
									}
									ab = view.buffer;
								}

								if (isString) {
									// not true binary
									resultArray[bufferIndex++] = 0;
								} else {
									// true binary
									resultArray[bufferIndex++] = 1;
								}

								var lenStr = ab.byteLength.toString();
								for (var i = 0; i < lenStr.length; i++) {
									resultArray[bufferIndex++] = parseInt(lenStr[i]);
								}
								resultArray[bufferIndex++] = 255;

								var view = new Uint8Array(ab);
								for (var i = 0; i < view.length; i++) {
									resultArray[bufferIndex++] = view[i];
								}
							});

							return callback(resultArray.buffer);
						});
					};

					/**
      * Encode as Blob
      */

					exports.encodePayloadAsBlob = function (packets, callback) {
						function encodeOne(packet, doneCallback) {
							exports.encodePacket(packet, true, true, function (encoded) {
								var binaryIdentifier = new Uint8Array(1);
								binaryIdentifier[0] = 1;
								if (typeof encoded === 'string') {
									var view = new Uint8Array(encoded.length);
									for (var i = 0; i < encoded.length; i++) {
										view[i] = encoded.charCodeAt(i);
									}
									encoded = view.buffer;
									binaryIdentifier[0] = 0;
								}

								var len = encoded instanceof ArrayBuffer ? encoded.byteLength : encoded.size;

								var lenStr = len.toString();
								var lengthAry = new Uint8Array(lenStr.length + 1);
								for (var i = 0; i < lenStr.length; i++) {
									lengthAry[i] = parseInt(lenStr[i]);
								}
								lengthAry[lenStr.length] = 255;

								if (Blob) {
									var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
									doneCallback(null, blob);
								}
							});
						}

						map(packets, encodeOne, function (err, results) {
							return callback(new Blob(results));
						});
					};

					/*
      * Decodes data when a payload is maybe expected. Strings are decoded by
      * interpreting each byte as a key code for entries marked to start with 0. See
      * description of encodePayloadAsBinary
      *
      * @param {ArrayBuffer} data, callback method
      * @api public
      */

					exports.decodePayloadAsBinary = function (data, binaryType, callback) {
						if (typeof binaryType === 'function') {
							callback = binaryType;
							binaryType = null;
						}

						var bufferTail = data;
						var buffers = [];

						var numberTooLong = false;
						while (bufferTail.byteLength > 0) {
							var tailArray = new Uint8Array(bufferTail);
							var isString = tailArray[0] === 0;
							var msgLength = '';

							for (var i = 1;; i++) {
								if (tailArray[i] == 255) break;

								if (msgLength.length > 310) {
									numberTooLong = true;
									break;
								}

								msgLength += tailArray[i];
							}

							if (numberTooLong) return callback(err, 0, 1);

							bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
							msgLength = parseInt(msgLength);

							var msg = sliceBuffer(bufferTail, 0, msgLength);
							if (isString) {
								try {
									msg = String.fromCharCode.apply(null, new Uint8Array(msg));
								} catch (e) {
									// iPhone Safari doesn't let you apply to typed arrays
									var typed = new Uint8Array(msg);
									msg = '';
									for (var i = 0; i < typed.length; i++) {
										msg += String.fromCharCode(typed[i]);
									}
								}
							}

							buffers.push(msg);
							bufferTail = sliceBuffer(bufferTail, msgLength);
						}

						var total = buffers.length;
						buffers.forEach(function (buffer, i) {
							callback(exports.decodePacket(buffer, binaryType, true), i, total);
						});
					};
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "./keys": 20, "after": 11, "arraybuffer.slice": 12, "base64-arraybuffer": 13, "blob": 14, "has-binary": 21, "utf8": 29 }], 20: [function (_dereq_, module, exports) {

				/**
     * Gets the keys for an object.
     *
     * @return {Array} keys
     * @api private
     */

				module.exports = Object.keys || function keys(obj) {
					var arr = [];
					var has = Object.prototype.hasOwnProperty;

					for (var i in obj) {
						if (has.call(obj, i)) {
							arr.push(i);
						}
					}
					return arr;
				};
			}, {}], 21: [function (_dereq_, module, exports) {
				(function (global) {

					/*
      * Module requirements.
      */

					var isArray = _dereq_('isarray');

					/**
      * Module exports.
      */

					module.exports = hasBinary;

					/**
      * Checks for binary data.
      *
      * Right now only Buffer and ArrayBuffer are supported..
      *
      * @param {Object} anything
      * @api public
      */

					function hasBinary(data) {

						function _hasBinary(obj) {
							if (!obj) return false;

							if (global.Buffer && global.Buffer.isBuffer(obj) || global.ArrayBuffer && obj instanceof ArrayBuffer || global.Blob && obj instanceof Blob || global.File && obj instanceof File) {
								return true;
							}

							if (isArray(obj)) {
								for (var i = 0; i < obj.length; i++) {
									if (_hasBinary(obj[i])) {
										return true;
									}
								}
							} else if (obj && 'object' == (typeof obj === "undefined" ? "undefined" : _typeof(obj))) {
								if (obj.toJSON) {
									obj = obj.toJSON();
								}

								for (var key in obj) {
									if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
										return true;
									}
								}
							}

							return false;
						}

						return _hasBinary(data);
					}
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "isarray": 24 }], 22: [function (_dereq_, module, exports) {

				/**
     * Module exports.
     *
     * Logic borrowed from Modernizr:
     *
     *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
     */

				try {
					module.exports = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest();
				} catch (err) {
					// if XMLHttp support is disabled in IE then it will throw
					// when trying to create
					module.exports = false;
				}
			}, {}], 23: [function (_dereq_, module, exports) {

				var indexOf = [].indexOf;

				module.exports = function (arr, obj) {
					if (indexOf) return arr.indexOf(obj);
					for (var i = 0; i < arr.length; ++i) {
						if (arr[i] === obj) return i;
					}
					return -1;
				};
			}, {}], 24: [function (_dereq_, module, exports) {
				module.exports = Array.isArray || function (arr) {
					return Object.prototype.toString.call(arr) == '[object Array]';
				};
			}, {}], 25: [function (_dereq_, module, exports) {
				/**
     * Helpers.
     */

				var s = 1000;
				var m = s * 60;
				var h = m * 60;
				var d = h * 24;
				var y = d * 365.25;

				/**
     * Parse or format the given `val`.
     *
     * Options:
     *
     *  - `long` verbose formatting [false]
     *
     * @param {String|Number} val
     * @param {Object} options
     * @return {String|Number}
     * @api public
     */

				module.exports = function (val, options) {
					options = options || {};
					if ('string' == typeof val) return parse(val);
					return options.long ? long(val) : short(val);
				};

				/**
     * Parse the given `str` and return milliseconds.
     *
     * @param {String} str
     * @return {Number}
     * @api private
     */

				function parse(str) {
					str = '' + str;
					if (str.length > 10000) return;
					var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
					if (!match) return;
					var n = parseFloat(match[1]);
					var type = (match[2] || 'ms').toLowerCase();
					switch (type) {
						case 'years':
						case 'year':
						case 'yrs':
						case 'yr':
						case 'y':
							return n * y;
						case 'days':
						case 'day':
						case 'd':
							return n * d;
						case 'hours':
						case 'hour':
						case 'hrs':
						case 'hr':
						case 'h':
							return n * h;
						case 'minutes':
						case 'minute':
						case 'mins':
						case 'min':
						case 'm':
							return n * m;
						case 'seconds':
						case 'second':
						case 'secs':
						case 'sec':
						case 's':
							return n * s;
						case 'milliseconds':
						case 'millisecond':
						case 'msecs':
						case 'msec':
						case 'ms':
							return n;
					}
				}

				/**
     * Short format for `ms`.
     *
     * @param {Number} ms
     * @return {String}
     * @api private
     */

				function short(ms) {
					if (ms >= d) return Math.round(ms / d) + 'd';
					if (ms >= h) return Math.round(ms / h) + 'h';
					if (ms >= m) return Math.round(ms / m) + 'm';
					if (ms >= s) return Math.round(ms / s) + 's';
					return ms + 'ms';
				}

				/**
     * Long format for `ms`.
     *
     * @param {Number} ms
     * @return {String}
     * @api private
     */

				function long(ms) {
					return plural(ms, d, 'day') || plural(ms, h, 'hour') || plural(ms, m, 'minute') || plural(ms, s, 'second') || ms + ' ms';
				}

				/**
     * Pluralization helper.
     */

				function plural(ms, n, name) {
					if (ms < n) return;
					if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
					return Math.ceil(ms / n) + ' ' + name + 's';
				}
			}, {}], 26: [function (_dereq_, module, exports) {
				(function (global) {
					/**
      * JSON parse.
      *
      * @see Based on jQuery#parseJSON (MIT) and JSON2
      * @api private
      */

					var rvalidchars = /^[\],:{}\s]*$/;
					var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
					var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
					var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
					var rtrimLeft = /^\s+/;
					var rtrimRight = /\s+$/;

					module.exports = function parsejson(data) {
						if ('string' != typeof data || !data) {
							return null;
						}

						data = data.replace(rtrimLeft, '').replace(rtrimRight, '');

						// Attempt to parse using the native JSON parser first
						if (global.JSON && JSON.parse) {
							return JSON.parse(data);
						}

						if (rvalidchars.test(data.replace(rvalidescape, '@').replace(rvalidtokens, ']').replace(rvalidbraces, ''))) {
							return new Function('return ' + data)();
						}
					};
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, {}], 27: [function (_dereq_, module, exports) {
				/**
     * Compiles a querystring
     * Returns string representation of the object
     *
     * @param {Object}
     * @api private
     */

				exports.encode = function (obj) {
					var str = '';

					for (var i in obj) {
						if (obj.hasOwnProperty(i)) {
							if (str.length) str += '&';
							str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
						}
					}

					return str;
				};

				/**
     * Parses a simple querystring into an object
     *
     * @param {String} qs
     * @api private
     */

				exports.decode = function (qs) {
					var qry = {};
					var pairs = qs.split('&');
					for (var i = 0, l = pairs.length; i < l; i++) {
						var pair = pairs[i].split('=');
						qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
					}
					return qry;
				};
			}, {}], 28: [function (_dereq_, module, exports) {
				/**
     * Parses an URI
     *
     * @author Steven Levithan <stevenlevithan.com> (MIT license)
     * @api private
     */

				var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;

				var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'];

				module.exports = function parseuri(str) {
					var src = str,
					    b = str.indexOf('['),
					    e = str.indexOf(']');

					if (b != -1 && e != -1) {
						str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
					}

					var m = re.exec(str || ''),
					    uri = {},
					    i = 14;

					while (i--) {
						uri[parts[i]] = m[i] || '';
					}

					if (b != -1 && e != -1) {
						uri.source = src;
						uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
						uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
						uri.ipv6uri = true;
					}

					return uri;
				};
			}, {}], 29: [function (_dereq_, module, exports) {
				(function (global) {
					/*! https://mths.be/utf8js v2.0.0 by @mathias */
					;(function (root) {

						// Detect free variables `exports`
						var freeExports = (typeof exports === "undefined" ? "undefined" : _typeof(exports)) == 'object' && exports;

						// Detect free variable `module`
						var freeModule = (typeof module === "undefined" ? "undefined" : _typeof(module)) == 'object' && module && module.exports == freeExports && module;

						// Detect free variable `global`, from Node.js or Browserified code,
						// and use it as `root`
						var freeGlobal = (typeof global === "undefined" ? "undefined" : _typeof(global)) == 'object' && global;
						if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
							root = freeGlobal;
						}

						/*--------------------------------------------------------------------------*/

						var stringFromCharCode = String.fromCharCode;

						// Taken from https://mths.be/punycode
						function ucs2decode(string) {
							var output = [];
							var counter = 0;
							var length = string.length;
							var value;
							var extra;
							while (counter < length) {
								value = string.charCodeAt(counter++);
								if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
									// high surrogate, and there is a next character
									extra = string.charCodeAt(counter++);
									if ((extra & 0xFC00) == 0xDC00) {
										// low surrogate
										output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
									} else {
										// unmatched surrogate; only append this code unit, in case the next
										// code unit is the high surrogate of a surrogate pair
										output.push(value);
										counter--;
									}
								} else {
									output.push(value);
								}
							}
							return output;
						}

						// Taken from https://mths.be/punycode
						function ucs2encode(array) {
							var length = array.length;
							var index = -1;
							var value;
							var output = '';
							while (++index < length) {
								value = array[index];
								if (value > 0xFFFF) {
									value -= 0x10000;
									output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
									value = 0xDC00 | value & 0x3FF;
								}
								output += stringFromCharCode(value);
							}
							return output;
						}

						function checkScalarValue(codePoint) {
							if (codePoint >= 0xD800 && codePoint <= 0xDFFF) {
								throw Error('Lone surrogate U+' + codePoint.toString(16).toUpperCase() + ' is not a scalar value');
							}
						}
						/*--------------------------------------------------------------------------*/

						function createByte(codePoint, shift) {
							return stringFromCharCode(codePoint >> shift & 0x3F | 0x80);
						}

						function encodeCodePoint(codePoint) {
							if ((codePoint & 0xFFFFFF80) == 0) {
								// 1-byte sequence
								return stringFromCharCode(codePoint);
							}
							var symbol = '';
							if ((codePoint & 0xFFFFF800) == 0) {
								// 2-byte sequence
								symbol = stringFromCharCode(codePoint >> 6 & 0x1F | 0xC0);
							} else if ((codePoint & 0xFFFF0000) == 0) {
								// 3-byte sequence
								checkScalarValue(codePoint);
								symbol = stringFromCharCode(codePoint >> 12 & 0x0F | 0xE0);
								symbol += createByte(codePoint, 6);
							} else if ((codePoint & 0xFFE00000) == 0) {
								// 4-byte sequence
								symbol = stringFromCharCode(codePoint >> 18 & 0x07 | 0xF0);
								symbol += createByte(codePoint, 12);
								symbol += createByte(codePoint, 6);
							}
							symbol += stringFromCharCode(codePoint & 0x3F | 0x80);
							return symbol;
						}

						function utf8encode(string) {
							var codePoints = ucs2decode(string);
							var length = codePoints.length;
							var index = -1;
							var codePoint;
							var byteString = '';
							while (++index < length) {
								codePoint = codePoints[index];
								byteString += encodeCodePoint(codePoint);
							}
							return byteString;
						}

						/*--------------------------------------------------------------------------*/

						function readContinuationByte() {
							if (byteIndex >= byteCount) {
								throw Error('Invalid byte index');
							}

							var continuationByte = byteArray[byteIndex] & 0xFF;
							byteIndex++;

							if ((continuationByte & 0xC0) == 0x80) {
								return continuationByte & 0x3F;
							}

							// If we end up here, it’s not a continuation byte
							throw Error('Invalid continuation byte');
						}

						function decodeSymbol() {
							var byte1;
							var byte2;
							var byte3;
							var byte4;
							var codePoint;

							if (byteIndex > byteCount) {
								throw Error('Invalid byte index');
							}

							if (byteIndex == byteCount) {
								return false;
							}

							// Read first byte
							byte1 = byteArray[byteIndex] & 0xFF;
							byteIndex++;

							// 1-byte sequence (no continuation bytes)
							if ((byte1 & 0x80) == 0) {
								return byte1;
							}

							// 2-byte sequence
							if ((byte1 & 0xE0) == 0xC0) {
								var byte2 = readContinuationByte();
								codePoint = (byte1 & 0x1F) << 6 | byte2;
								if (codePoint >= 0x80) {
									return codePoint;
								} else {
									throw Error('Invalid continuation byte');
								}
							}

							// 3-byte sequence (may include unpaired surrogates)
							if ((byte1 & 0xF0) == 0xE0) {
								byte2 = readContinuationByte();
								byte3 = readContinuationByte();
								codePoint = (byte1 & 0x0F) << 12 | byte2 << 6 | byte3;
								if (codePoint >= 0x0800) {
									checkScalarValue(codePoint);
									return codePoint;
								} else {
									throw Error('Invalid continuation byte');
								}
							}

							// 4-byte sequence
							if ((byte1 & 0xF8) == 0xF0) {
								byte2 = readContinuationByte();
								byte3 = readContinuationByte();
								byte4 = readContinuationByte();
								codePoint = (byte1 & 0x0F) << 0x12 | byte2 << 0x0C | byte3 << 0x06 | byte4;
								if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
									return codePoint;
								}
							}

							throw Error('Invalid UTF-8 detected');
						}

						var byteArray;
						var byteCount;
						var byteIndex;
						function utf8decode(byteString) {
							byteArray = ucs2decode(byteString);
							byteCount = byteArray.length;
							byteIndex = 0;
							var codePoints = [];
							var tmp;
							while ((tmp = decodeSymbol()) !== false) {
								codePoints.push(tmp);
							}
							return ucs2encode(codePoints);
						}

						/*--------------------------------------------------------------------------*/

						var utf8 = {
							'version': '2.0.0',
							'encode': utf8encode,
							'decode': utf8decode
						};

						// Some AMD build optimizers, like r.js, check for specific condition patterns
						// like the following:
						if (typeof define == 'function' && _typeof(define.amd) == 'object' && define.amd) {
							define(function () {
								return utf8;
							});
						} else if (freeExports && !freeExports.nodeType) {
							if (freeModule) {
								// in Node.js or RingoJS v0.8.0+
								freeModule.exports = utf8;
							} else {
								// in Narwhal or RingoJS v0.7.0-
								var object = {};
								var hasOwnProperty = object.hasOwnProperty;
								for (var key in utf8) {
									hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
								}
							}
						} else {
							// in Rhino or a web browser
							root.utf8 = utf8;
						}
					})(this);
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, {}], 30: [function (_dereq_, module, exports) {
				'use strict';

				var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''),
				    length = 64,
				    map = {},
				    seed = 0,
				    i = 0,
				    prev;

				/**
     * Return a string representing the specified number.
     *
     * @param {Number} num The number to convert.
     * @returns {String} The string representation of the number.
     * @api public
     */
				function encode(num) {
					var encoded = '';

					do {
						encoded = alphabet[num % length] + encoded;
						num = Math.floor(num / length);
					} while (num > 0);

					return encoded;
				}

				/**
     * Return the integer value specified by the given string.
     *
     * @param {String} str The string to convert.
     * @returns {Number} The integer value represented by the string.
     * @api public
     */
				function decode(str) {
					var decoded = 0;

					for (i = 0; i < str.length; i++) {
						decoded = decoded * length + map[str.charAt(i)];
					}

					return decoded;
				}

				/**
     * Yeast: A tiny growing id generator.
     *
     * @returns {String} A unique id.
     * @api public
     */
				function yeast() {
					var now = encode(+new Date());

					if (now !== prev) return seed = 0, prev = now;
					return now + '.' + encode(seed++);
				}

				//
				// Map each character to its index.
				//
				for (; i < length; i++) {
					map[alphabet[i]] = i;
				} //
				// Expose the `yeast`, `encode` and `decode` functions.
				//
				yeast.encode = encode;
				yeast.decode = decode;
				module.exports = yeast;
			}, {}], 31: [function (_dereq_, module, exports) {

				/**
     * Module dependencies.
     */

				var url = _dereq_('./url');
				var parser = _dereq_('socket.io-parser');
				var Manager = _dereq_('./manager');
				var debug = _dereq_('debug')('socket.io-client');

				/**
     * Module exports.
     */

				module.exports = exports = lookup;

				/**
     * Managers cache.
     */

				var cache = exports.managers = {};

				/**
     * Looks up an existing `Manager` for multiplexing.
     * If the user summons:
     *
     *   `io('http://localhost/a');`
     *   `io('http://localhost/b');`
     *
     * We reuse the existing instance based on same scheme/port/host,
     * and we initialize sockets for each namespace.
     *
     * @api public
     */

				function lookup(uri, opts) {
					if ((typeof uri === "undefined" ? "undefined" : _typeof(uri)) == 'object') {
						opts = uri;
						uri = undefined;
					}

					opts = opts || {};

					var parsed = url(uri);
					var source = parsed.source;
					var id = parsed.id;
					var path = parsed.path;
					var sameNamespace = cache[id] && path in cache[id].nsps;
					var newConnection = opts.forceNew || opts['force new connection'] || false === opts.multiplex || sameNamespace;

					var io;

					if (newConnection) {
						debug('ignoring socket cache for %s', source);
						io = Manager(source, opts);
					} else {
						if (!cache[id]) {
							debug('new io instance for %s', source);
							cache[id] = Manager(source, opts);
						}
						io = cache[id];
					}

					return io.socket(parsed.path);
				}

				/**
     * Protocol version.
     *
     * @api public
     */

				exports.protocol = parser.protocol;

				/**
     * `connect`.
     *
     * @param {String} uri
     * @api public
     */

				exports.connect = lookup;

				/**
     * Expose constructors for standalone build.
     *
     * @api public
     */

				exports.Manager = _dereq_('./manager');
				exports.Socket = _dereq_('./socket');
			}, { "./manager": 32, "./socket": 34, "./url": 35, "debug": 39, "socket.io-parser": 47 }], 32: [function (_dereq_, module, exports) {

				/**
     * Module dependencies.
     */

				var eio = _dereq_('engine.io-client');
				var Socket = _dereq_('./socket');
				var Emitter = _dereq_('component-emitter');
				var parser = _dereq_('socket.io-parser');
				var on = _dereq_('./on');
				var bind = _dereq_('component-bind');
				var debug = _dereq_('debug')('socket.io-client:manager');
				var indexOf = _dereq_('indexof');
				var Backoff = _dereq_('backo2');

				/**
     * IE6+ hasOwnProperty
     */

				var has = Object.prototype.hasOwnProperty;

				/**
     * Module exports
     */

				module.exports = Manager;

				/**
     * `Manager` constructor.
     *
     * @param {String} engine instance or engine uri/opts
     * @param {Object} options
     * @api public
     */

				function Manager(uri, opts) {
					if (!(this instanceof Manager)) return new Manager(uri, opts);
					if (uri && 'object' == (typeof uri === "undefined" ? "undefined" : _typeof(uri))) {
						opts = uri;
						uri = undefined;
					}
					opts = opts || {};

					opts.path = opts.path || '/socket.io';
					this.nsps = {};
					this.subs = [];
					this.opts = opts;
					this.reconnection(opts.reconnection !== false);
					this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
					this.reconnectionDelay(opts.reconnectionDelay || 1000);
					this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
					this.randomizationFactor(opts.randomizationFactor || 0.5);
					this.backoff = new Backoff({
						min: this.reconnectionDelay(),
						max: this.reconnectionDelayMax(),
						jitter: this.randomizationFactor()
					});
					this.timeout(null == opts.timeout ? 20000 : opts.timeout);
					this.readyState = 'closed';
					this.uri = uri;
					this.connecting = [];
					this.lastPing = null;
					this.encoding = false;
					this.packetBuffer = [];
					this.encoder = new parser.Encoder();
					this.decoder = new parser.Decoder();
					this.autoConnect = opts.autoConnect !== false;
					if (this.autoConnect) this.open();
				}

				/**
     * Propagate given event to sockets and emit on `this`
     *
     * @api private
     */

				Manager.prototype.emitAll = function () {
					this.emit.apply(this, arguments);
					for (var nsp in this.nsps) {
						if (has.call(this.nsps, nsp)) {
							this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
						}
					}
				};

				/**
     * Update `socket.id` of all sockets
     *
     * @api private
     */

				Manager.prototype.updateSocketIds = function () {
					for (var nsp in this.nsps) {
						if (has.call(this.nsps, nsp)) {
							this.nsps[nsp].id = this.engine.id;
						}
					}
				};

				/**
     * Mix in `Emitter`.
     */

				Emitter(Manager.prototype);

				/**
     * Sets the `reconnection` config.
     *
     * @param {Boolean} true/false if it should automatically reconnect
     * @return {Manager} self or value
     * @api public
     */

				Manager.prototype.reconnection = function (v) {
					if (!arguments.length) return this._reconnection;
					this._reconnection = !!v;
					return this;
				};

				/**
     * Sets the reconnection attempts config.
     *
     * @param {Number} max reconnection attempts before giving up
     * @return {Manager} self or value
     * @api public
     */

				Manager.prototype.reconnectionAttempts = function (v) {
					if (!arguments.length) return this._reconnectionAttempts;
					this._reconnectionAttempts = v;
					return this;
				};

				/**
     * Sets the delay between reconnections.
     *
     * @param {Number} delay
     * @return {Manager} self or value
     * @api public
     */

				Manager.prototype.reconnectionDelay = function (v) {
					if (!arguments.length) return this._reconnectionDelay;
					this._reconnectionDelay = v;
					this.backoff && this.backoff.setMin(v);
					return this;
				};

				Manager.prototype.randomizationFactor = function (v) {
					if (!arguments.length) return this._randomizationFactor;
					this._randomizationFactor = v;
					this.backoff && this.backoff.setJitter(v);
					return this;
				};

				/**
     * Sets the maximum delay between reconnections.
     *
     * @param {Number} delay
     * @return {Manager} self or value
     * @api public
     */

				Manager.prototype.reconnectionDelayMax = function (v) {
					if (!arguments.length) return this._reconnectionDelayMax;
					this._reconnectionDelayMax = v;
					this.backoff && this.backoff.setMax(v);
					return this;
				};

				/**
     * Sets the connection timeout. `false` to disable
     *
     * @return {Manager} self or value
     * @api public
     */

				Manager.prototype.timeout = function (v) {
					if (!arguments.length) return this._timeout;
					this._timeout = v;
					return this;
				};

				/**
     * Starts trying to reconnect if reconnection is enabled and we have not
     * started reconnecting yet
     *
     * @api private
     */

				Manager.prototype.maybeReconnectOnOpen = function () {
					// Only try to reconnect if it's the first time we're connecting
					if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
						// keeps reconnection from firing twice for the same reconnection loop
						this.reconnect();
					}
				};

				/**
     * Sets the current transport `socket`.
     *
     * @param {Function} optional, callback
     * @return {Manager} self
     * @api public
     */

				Manager.prototype.open = Manager.prototype.connect = function (fn) {
					debug('readyState %s', this.readyState);
					if (~this.readyState.indexOf('open')) return this;

					debug('opening %s', this.uri);
					this.engine = eio(this.uri, this.opts);
					var socket = this.engine;
					var self = this;
					this.readyState = 'opening';
					this.skipReconnect = false;

					// emit `open`
					var openSub = on(socket, 'open', function () {
						self.onopen();
						fn && fn();
					});

					// emit `connect_error`
					var errorSub = on(socket, 'error', function (data) {
						debug('connect_error');
						self.cleanup();
						self.readyState = 'closed';
						self.emitAll('connect_error', data);
						if (fn) {
							var err = new Error('Connection error');
							err.data = data;
							fn(err);
						} else {
							// Only do this if there is no fn to handle the error
							self.maybeReconnectOnOpen();
						}
					});

					// emit `connect_timeout`
					if (false !== this._timeout) {
						var timeout = this._timeout;
						debug('connect attempt will timeout after %d', timeout);

						// set timer
						var timer = setTimeout(function () {
							debug('connect attempt timed out after %d', timeout);
							openSub.destroy();
							socket.close();
							socket.emit('error', 'timeout');
							self.emitAll('connect_timeout', timeout);
						}, timeout);

						this.subs.push({
							destroy: function destroy() {
								clearTimeout(timer);
							}
						});
					}

					this.subs.push(openSub);
					this.subs.push(errorSub);

					return this;
				};

				/**
     * Called upon transport open.
     *
     * @api private
     */

				Manager.prototype.onopen = function () {
					debug('open');

					// clear old subs
					this.cleanup();

					// mark as open
					this.readyState = 'open';
					this.emit('open');

					// add new subs
					var socket = this.engine;
					this.subs.push(on(socket, 'data', bind(this, 'ondata')));
					this.subs.push(on(socket, 'ping', bind(this, 'onping')));
					this.subs.push(on(socket, 'pong', bind(this, 'onpong')));
					this.subs.push(on(socket, 'error', bind(this, 'onerror')));
					this.subs.push(on(socket, 'close', bind(this, 'onclose')));
					this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
				};

				/**
     * Called upon a ping.
     *
     * @api private
     */

				Manager.prototype.onping = function () {
					this.lastPing = new Date();
					this.emitAll('ping');
				};

				/**
     * Called upon a packet.
     *
     * @api private
     */

				Manager.prototype.onpong = function () {
					this.emitAll('pong', new Date() - this.lastPing);
				};

				/**
     * Called with data.
     *
     * @api private
     */

				Manager.prototype.ondata = function (data) {
					this.decoder.add(data);
				};

				/**
     * Called when parser fully decodes a packet.
     *
     * @api private
     */

				Manager.prototype.ondecoded = function (packet) {
					this.emit('packet', packet);
				};

				/**
     * Called upon socket error.
     *
     * @api private
     */

				Manager.prototype.onerror = function (err) {
					debug('error', err);
					this.emitAll('error', err);
				};

				/**
     * Creates a new socket for the given `nsp`.
     *
     * @return {Socket}
     * @api public
     */

				Manager.prototype.socket = function (nsp) {
					var socket = this.nsps[nsp];
					if (!socket) {
						socket = new Socket(this, nsp);
						this.nsps[nsp] = socket;
						var self = this;
						socket.on('connecting', onConnecting);
						socket.on('connect', function () {
							socket.id = self.engine.id;
						});

						if (this.autoConnect) {
							// manually call here since connecting evnet is fired before listening
							onConnecting();
						}
					}

					function onConnecting() {
						if (!~indexOf(self.connecting, socket)) {
							self.connecting.push(socket);
						}
					}

					return socket;
				};

				/**
     * Called upon a socket close.
     *
     * @param {Socket} socket
     */

				Manager.prototype.destroy = function (socket) {
					var index = indexOf(this.connecting, socket);
					if (~index) this.connecting.splice(index, 1);
					if (this.connecting.length) return;

					this.close();
				};

				/**
     * Writes a packet.
     *
     * @param {Object} packet
     * @api private
     */

				Manager.prototype.packet = function (packet) {
					debug('writing packet %j', packet);
					var self = this;

					if (!self.encoding) {
						// encode, then write to engine with result
						self.encoding = true;
						this.encoder.encode(packet, function (encodedPackets) {
							for (var i = 0; i < encodedPackets.length; i++) {
								self.engine.write(encodedPackets[i], packet.options);
							}
							self.encoding = false;
							self.processPacketQueue();
						});
					} else {
						// add packet to the queue
						self.packetBuffer.push(packet);
					}
				};

				/**
     * If packet buffer is non-empty, begins encoding the
     * next packet in line.
     *
     * @api private
     */

				Manager.prototype.processPacketQueue = function () {
					if (this.packetBuffer.length > 0 && !this.encoding) {
						var pack = this.packetBuffer.shift();
						this.packet(pack);
					}
				};

				/**
     * Clean up transport subscriptions and packet buffer.
     *
     * @api private
     */

				Manager.prototype.cleanup = function () {
					debug('cleanup');

					var sub;
					while (sub = this.subs.shift()) {
						sub.destroy();
					}this.packetBuffer = [];
					this.encoding = false;
					this.lastPing = null;

					this.decoder.destroy();
				};

				/**
     * Close the current socket.
     *
     * @api private
     */

				Manager.prototype.close = Manager.prototype.disconnect = function () {
					debug('disconnect');
					this.skipReconnect = true;
					this.reconnecting = false;
					if ('opening' == this.readyState) {
						// `onclose` will not fire because
						// an open event never happened
						this.cleanup();
					}
					this.backoff.reset();
					this.readyState = 'closed';
					if (this.engine) this.engine.close();
				};

				/**
     * Called upon engine close.
     *
     * @api private
     */

				Manager.prototype.onclose = function (reason) {
					debug('onclose');

					this.cleanup();
					this.backoff.reset();
					this.readyState = 'closed';
					this.emit('close', reason);

					if (this._reconnection && !this.skipReconnect) {
						this.reconnect();
					}
				};

				/**
     * Attempt a reconnection.
     *
     * @api private
     */

				Manager.prototype.reconnect = function () {
					if (this.reconnecting || this.skipReconnect) return this;

					var self = this;

					if (this.backoff.attempts >= this._reconnectionAttempts) {
						debug('reconnect failed');
						this.backoff.reset();
						this.emitAll('reconnect_failed');
						this.reconnecting = false;
					} else {
						var delay = this.backoff.duration();
						debug('will wait %dms before reconnect attempt', delay);

						this.reconnecting = true;
						var timer = setTimeout(function () {
							if (self.skipReconnect) return;

							debug('attempting reconnect');
							self.emitAll('reconnect_attempt', self.backoff.attempts);
							self.emitAll('reconnecting', self.backoff.attempts);

							// check again for the case socket closed in above events
							if (self.skipReconnect) return;

							self.open(function (err) {
								if (err) {
									debug('reconnect attempt error');
									self.reconnecting = false;
									self.reconnect();
									self.emitAll('reconnect_error', err.data);
								} else {
									debug('reconnect success');
									self.onreconnect();
								}
							});
						}, delay);

						this.subs.push({
							destroy: function destroy() {
								clearTimeout(timer);
							}
						});
					}
				};

				/**
     * Called upon successful reconnect.
     *
     * @api private
     */

				Manager.prototype.onreconnect = function () {
					var attempt = this.backoff.attempts;
					this.reconnecting = false;
					this.backoff.reset();
					this.updateSocketIds();
					this.emitAll('reconnect', attempt);
				};
			}, { "./on": 33, "./socket": 34, "backo2": 36, "component-bind": 37, "component-emitter": 38, "debug": 39, "engine.io-client": 1, "indexof": 42, "socket.io-parser": 47 }], 33: [function (_dereq_, module, exports) {

				/**
     * Module exports.
     */

				module.exports = on;

				/**
     * Helper for subscriptions.
     *
     * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
     * @param {String} event name
     * @param {Function} callback
     * @api public
     */

				function on(obj, ev, fn) {
					obj.on(ev, fn);
					return {
						destroy: function destroy() {
							obj.removeListener(ev, fn);
						}
					};
				}
			}, {}], 34: [function (_dereq_, module, exports) {

				/**
     * Module dependencies.
     */

				var parser = _dereq_('socket.io-parser');
				var Emitter = _dereq_('component-emitter');
				var toArray = _dereq_('to-array');
				var on = _dereq_('./on');
				var bind = _dereq_('component-bind');
				var debug = _dereq_('debug')('socket.io-client:socket');
				var hasBin = _dereq_('has-binary');

				/**
     * Module exports.
     */

				module.exports = exports = Socket;

				/**
     * Internal events (blacklisted).
     * These events can't be emitted by the user.
     *
     * @api private
     */

				var events = {
					connect: 1,
					connect_error: 1,
					connect_timeout: 1,
					connecting: 1,
					disconnect: 1,
					error: 1,
					reconnect: 1,
					reconnect_attempt: 1,
					reconnect_failed: 1,
					reconnect_error: 1,
					reconnecting: 1,
					ping: 1,
					pong: 1
				};

				/**
     * Shortcut to `Emitter#emit`.
     */

				var emit = Emitter.prototype.emit;

				/**
     * `Socket` constructor.
     *
     * @api public
     */

				function Socket(io, nsp) {
					this.io = io;
					this.nsp = nsp;
					this.json = this; // compat
					this.ids = 0;
					this.acks = {};
					this.receiveBuffer = [];
					this.sendBuffer = [];
					this.connected = false;
					this.disconnected = true;
					if (this.io.autoConnect) this.open();
				}

				/**
     * Mix in `Emitter`.
     */

				Emitter(Socket.prototype);

				/**
     * Subscribe to open, close and packet events
     *
     * @api private
     */

				Socket.prototype.subEvents = function () {
					if (this.subs) return;

					var io = this.io;
					this.subs = [on(io, 'open', bind(this, 'onopen')), on(io, 'packet', bind(this, 'onpacket')), on(io, 'close', bind(this, 'onclose'))];
				};

				/**
     * "Opens" the socket.
     *
     * @api public
     */

				Socket.prototype.open = Socket.prototype.connect = function () {
					if (this.connected) return this;

					this.subEvents();
					this.io.open(); // ensure open
					if ('open' == this.io.readyState) this.onopen();
					this.emit('connecting');
					return this;
				};

				/**
     * Sends a `message` event.
     *
     * @return {Socket} self
     * @api public
     */

				Socket.prototype.send = function () {
					var args = toArray(arguments);
					args.unshift('message');
					this.emit.apply(this, args);
					return this;
				};

				/**
     * Override `emit`.
     * If the event is in `events`, it's emitted normally.
     *
     * @param {String} event name
     * @return {Socket} self
     * @api public
     */

				Socket.prototype.emit = function (ev) {
					if (events.hasOwnProperty(ev)) {
						emit.apply(this, arguments);
						return this;
					}

					var args = toArray(arguments);
					var parserType = parser.EVENT; // default
					if (hasBin(args)) {
						parserType = parser.BINARY_EVENT;
					} // binary
					var packet = { type: parserType, data: args };

					packet.options = {};
					packet.options.compress = !this.flags || false !== this.flags.compress;

					// event ack callback
					if ('function' == typeof args[args.length - 1]) {
						debug('emitting packet with ack id %d', this.ids);
						this.acks[this.ids] = args.pop();
						packet.id = this.ids++;
					}

					if (this.connected) {
						this.packet(packet);
					} else {
						this.sendBuffer.push(packet);
					}

					delete this.flags;

					return this;
				};

				/**
     * Sends a packet.
     *
     * @param {Object} packet
     * @api private
     */

				Socket.prototype.packet = function (packet) {
					packet.nsp = this.nsp;
					this.io.packet(packet);
				};

				/**
     * Called upon engine `open`.
     *
     * @api private
     */

				Socket.prototype.onopen = function () {
					debug('transport is open - connecting');

					// write connect packet if necessary
					if ('/' != this.nsp) {
						this.packet({ type: parser.CONNECT });
					}
				};

				/**
     * Called upon engine `close`.
     *
     * @param {String} reason
     * @api private
     */

				Socket.prototype.onclose = function (reason) {
					debug('close (%s)', reason);
					this.connected = false;
					this.disconnected = true;
					delete this.id;
					this.emit('disconnect', reason);
				};

				/**
     * Called with socket packet.
     *
     * @param {Object} packet
     * @api private
     */

				Socket.prototype.onpacket = function (packet) {
					if (packet.nsp != this.nsp) return;

					switch (packet.type) {
						case parser.CONNECT:
							this.onconnect();
							break;

						case parser.EVENT:
							this.onevent(packet);
							break;

						case parser.BINARY_EVENT:
							this.onevent(packet);
							break;

						case parser.ACK:
							this.onack(packet);
							break;

						case parser.BINARY_ACK:
							this.onack(packet);
							break;

						case parser.DISCONNECT:
							this.ondisconnect();
							break;

						case parser.ERROR:
							this.emit('error', packet.data);
							break;
					}
				};

				/**
     * Called upon a server event.
     *
     * @param {Object} packet
     * @api private
     */

				Socket.prototype.onevent = function (packet) {
					var args = packet.data || [];
					debug('emitting event %j', args);

					if (null != packet.id) {
						debug('attaching ack callback to event');
						args.push(this.ack(packet.id));
					}

					if (this.connected) {
						emit.apply(this, args);
					} else {
						this.receiveBuffer.push(args);
					}
				};

				/**
     * Produces an ack callback to emit with an event.
     *
     * @api private
     */

				Socket.prototype.ack = function (id) {
					var self = this;
					var sent = false;
					return function () {
						// prevent double callbacks
						if (sent) return;
						sent = true;
						var args = toArray(arguments);
						debug('sending ack %j', args);

						var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
						self.packet({
							type: type,
							id: id,
							data: args
						});
					};
				};

				/**
     * Called upon a server acknowlegement.
     *
     * @param {Object} packet
     * @api private
     */

				Socket.prototype.onack = function (packet) {
					var ack = this.acks[packet.id];
					if ('function' == typeof ack) {
						debug('calling ack %s with %j', packet.id, packet.data);
						ack.apply(this, packet.data);
						delete this.acks[packet.id];
					} else {
						debug('bad ack %s', packet.id);
					}
				};

				/**
     * Called upon server connect.
     *
     * @api private
     */

				Socket.prototype.onconnect = function () {
					this.connected = true;
					this.disconnected = false;
					this.emit('connect');
					this.emitBuffered();
				};

				/**
     * Emit buffered events (received and emitted).
     *
     * @api private
     */

				Socket.prototype.emitBuffered = function () {
					var i;
					for (i = 0; i < this.receiveBuffer.length; i++) {
						emit.apply(this, this.receiveBuffer[i]);
					}
					this.receiveBuffer = [];

					for (i = 0; i < this.sendBuffer.length; i++) {
						this.packet(this.sendBuffer[i]);
					}
					this.sendBuffer = [];
				};

				/**
     * Called upon server disconnect.
     *
     * @api private
     */

				Socket.prototype.ondisconnect = function () {
					debug('server disconnect (%s)', this.nsp);
					this.destroy();
					this.onclose('io server disconnect');
				};

				/**
     * Called upon forced client/server side disconnections,
     * this method ensures the manager stops tracking us and
     * that reconnections don't get triggered for this.
     *
     * @api private.
     */

				Socket.prototype.destroy = function () {
					if (this.subs) {
						// clean subscriptions to avoid reconnections
						for (var i = 0; i < this.subs.length; i++) {
							this.subs[i].destroy();
						}
						this.subs = null;
					}

					this.io.destroy(this);
				};

				/**
     * Disconnects the socket manually.
     *
     * @return {Socket} self
     * @api public
     */

				Socket.prototype.close = Socket.prototype.disconnect = function () {
					if (this.connected) {
						debug('performing disconnect (%s)', this.nsp);
						this.packet({ type: parser.DISCONNECT });
					}

					// remove socket from pool
					this.destroy();

					if (this.connected) {
						// fire events
						this.onclose('io client disconnect');
					}
					return this;
				};

				/**
     * Sets the compress flag.
     *
     * @param {Boolean} if `true`, compresses the sending data
     * @return {Socket} self
     * @api public
     */

				Socket.prototype.compress = function (compress) {
					this.flags = this.flags || {};
					this.flags.compress = compress;
					return this;
				};
			}, { "./on": 33, "component-bind": 37, "component-emitter": 38, "debug": 39, "has-binary": 41, "socket.io-parser": 47, "to-array": 51 }], 35: [function (_dereq_, module, exports) {
				(function (global) {

					/**
      * Module dependencies.
      */

					var parseuri = _dereq_('parseuri');
					var debug = _dereq_('debug')('socket.io-client:url');

					/**
      * Module exports.
      */

					module.exports = url;

					/**
      * URL parser.
      *
      * @param {String} url
      * @param {Object} An object meant to mimic window.location.
      *                 Defaults to window.location.
      * @api public
      */

					function url(uri, loc) {
						var obj = uri;

						// default to window.location
						var loc = loc || global.location;
						if (null == uri) uri = loc.protocol + '//' + loc.host;

						// relative path support
						if ('string' == typeof uri) {
							if ('/' == uri.charAt(0)) {
								if ('/' == uri.charAt(1)) {
									uri = loc.protocol + uri;
								} else {
									uri = loc.host + uri;
								}
							}

							if (!/^(https?|wss?):\/\//.test(uri)) {
								debug('protocol-less url %s', uri);
								if ('undefined' != typeof loc) {
									uri = loc.protocol + '//' + uri;
								} else {
									uri = 'https://' + uri;
								}
							}

							// parse
							debug('parse %s', uri);
							obj = parseuri(uri);
						}

						// make sure we treat `localhost:80` and `localhost` equally
						if (!obj.port) {
							if (/^(http|ws)$/.test(obj.protocol)) {
								obj.port = '80';
							} else if (/^(http|ws)s$/.test(obj.protocol)) {
								obj.port = '443';
							}
						}

						obj.path = obj.path || '/';

						var ipv6 = obj.host.indexOf(':') !== -1;
						var host = ipv6 ? '[' + obj.host + ']' : obj.host;

						// define unique id
						obj.id = obj.protocol + '://' + host + ':' + obj.port;
						// define href
						obj.href = obj.protocol + '://' + host + (loc && loc.port == obj.port ? '' : ':' + obj.port);

						return obj;
					}
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "debug": 39, "parseuri": 45 }], 36: [function (_dereq_, module, exports) {

				/**
     * Expose `Backoff`.
     */

				module.exports = Backoff;

				/**
     * Initialize backoff timer with `opts`.
     *
     * - `min` initial timeout in milliseconds [100]
     * - `max` max timeout [10000]
     * - `jitter` [0]
     * - `factor` [2]
     *
     * @param {Object} opts
     * @api public
     */

				function Backoff(opts) {
					opts = opts || {};
					this.ms = opts.min || 100;
					this.max = opts.max || 10000;
					this.factor = opts.factor || 2;
					this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
					this.attempts = 0;
				}

				/**
     * Return the backoff duration.
     *
     * @return {Number}
     * @api public
     */

				Backoff.prototype.duration = function () {
					var ms = this.ms * Math.pow(this.factor, this.attempts++);
					if (this.jitter) {
						var rand = Math.random();
						var deviation = Math.floor(rand * this.jitter * ms);
						ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
					}
					return Math.min(ms, this.max) | 0;
				};

				/**
     * Reset the number of attempts.
     *
     * @api public
     */

				Backoff.prototype.reset = function () {
					this.attempts = 0;
				};

				/**
     * Set the minimum duration
     *
     * @api public
     */

				Backoff.prototype.setMin = function (min) {
					this.ms = min;
				};

				/**
     * Set the maximum duration
     *
     * @api public
     */

				Backoff.prototype.setMax = function (max) {
					this.max = max;
				};

				/**
     * Set the jitter
     *
     * @api public
     */

				Backoff.prototype.setJitter = function (jitter) {
					this.jitter = jitter;
				};
			}, {}], 37: [function (_dereq_, module, exports) {
				/**
     * Slice reference.
     */

				var slice = [].slice;

				/**
     * Bind `obj` to `fn`.
     *
     * @param {Object} obj
     * @param {Function|String} fn or string
     * @return {Function}
     * @api public
     */

				module.exports = function (obj, fn) {
					if ('string' == typeof fn) fn = obj[fn];
					if ('function' != typeof fn) throw new Error('bind() requires a function');
					var args = slice.call(arguments, 2);
					return function () {
						return fn.apply(obj, args.concat(slice.call(arguments)));
					};
				};
			}, {}], 38: [function (_dereq_, module, exports) {

				/**
     * Expose `Emitter`.
     */

				module.exports = Emitter;

				/**
     * Initialize a new `Emitter`.
     *
     * @api public
     */

				function Emitter(obj) {
					if (obj) return mixin(obj);
				};

				/**
     * Mixin the emitter properties.
     *
     * @param {Object} obj
     * @return {Object}
     * @api private
     */

				function mixin(obj) {
					for (var key in Emitter.prototype) {
						obj[key] = Emitter.prototype[key];
					}
					return obj;
				}

				/**
     * Listen on the given `event` with `fn`.
     *
     * @param {String} event
     * @param {Function} fn
     * @return {Emitter}
     * @api public
     */

				Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
					this._callbacks = this._callbacks || {};
					(this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);
					return this;
				};

				/**
     * Adds an `event` listener that will be invoked a single
     * time then automatically removed.
     *
     * @param {String} event
     * @param {Function} fn
     * @return {Emitter}
     * @api public
     */

				Emitter.prototype.once = function (event, fn) {
					function on() {
						this.off(event, on);
						fn.apply(this, arguments);
					}

					on.fn = fn;
					this.on(event, on);
					return this;
				};

				/**
     * Remove the given callback for `event` or all
     * registered callbacks.
     *
     * @param {String} event
     * @param {Function} fn
     * @return {Emitter}
     * @api public
     */

				Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
					this._callbacks = this._callbacks || {};

					// all
					if (0 == arguments.length) {
						this._callbacks = {};
						return this;
					}

					// specific event
					var callbacks = this._callbacks['$' + event];
					if (!callbacks) return this;

					// remove all handlers
					if (1 == arguments.length) {
						delete this._callbacks['$' + event];
						return this;
					}

					// remove specific handler
					var cb;
					for (var i = 0; i < callbacks.length; i++) {
						cb = callbacks[i];
						if (cb === fn || cb.fn === fn) {
							callbacks.splice(i, 1);
							break;
						}
					}
					return this;
				};

				/**
     * Emit `event` with the given args.
     *
     * @param {String} event
     * @param {Mixed} ...
     * @return {Emitter}
     */

				Emitter.prototype.emit = function (event) {
					this._callbacks = this._callbacks || {};
					var args = [].slice.call(arguments, 1),
					    callbacks = this._callbacks['$' + event];

					if (callbacks) {
						callbacks = callbacks.slice(0);
						for (var i = 0, len = callbacks.length; i < len; ++i) {
							callbacks[i].apply(this, args);
						}
					}

					return this;
				};

				/**
     * Return array of callbacks for `event`.
     *
     * @param {String} event
     * @return {Array}
     * @api public
     */

				Emitter.prototype.listeners = function (event) {
					this._callbacks = this._callbacks || {};
					return this._callbacks['$' + event] || [];
				};

				/**
     * Check if this emitter has `event` handlers.
     *
     * @param {String} event
     * @return {Boolean}
     * @api public
     */

				Emitter.prototype.hasListeners = function (event) {
					return !!this.listeners(event).length;
				};
			}, {}], 39: [function (_dereq_, module, exports) {
				arguments[4][17][0].apply(exports, arguments);
			}, { "./debug": 40, "dup": 17 }], 40: [function (_dereq_, module, exports) {
				arguments[4][18][0].apply(exports, arguments);
			}, { "dup": 18, "ms": 44 }], 41: [function (_dereq_, module, exports) {
				(function (global) {

					/*
      * Module requirements.
      */

					var isArray = _dereq_('isarray');

					/**
      * Module exports.
      */

					module.exports = hasBinary;

					/**
      * Checks for binary data.
      *
      * Right now only Buffer and ArrayBuffer are supported..
      *
      * @param {Object} anything
      * @api public
      */

					function hasBinary(data) {

						function _hasBinary(obj) {
							if (!obj) return false;

							if (global.Buffer && global.Buffer.isBuffer && global.Buffer.isBuffer(obj) || global.ArrayBuffer && obj instanceof ArrayBuffer || global.Blob && obj instanceof Blob || global.File && obj instanceof File) {
								return true;
							}

							if (isArray(obj)) {
								for (var i = 0; i < obj.length; i++) {
									if (_hasBinary(obj[i])) {
										return true;
									}
								}
							} else if (obj && 'object' == (typeof obj === "undefined" ? "undefined" : _typeof(obj))) {
								// see: https://github.com/Automattic/has-binary/pull/4
								if (obj.toJSON && 'function' == typeof obj.toJSON) {
									obj = obj.toJSON();
								}

								for (var key in obj) {
									if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
										return true;
									}
								}
							}

							return false;
						}

						return _hasBinary(data);
					}
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "isarray": 43 }], 42: [function (_dereq_, module, exports) {
				arguments[4][23][0].apply(exports, arguments);
			}, { "dup": 23 }], 43: [function (_dereq_, module, exports) {
				arguments[4][24][0].apply(exports, arguments);
			}, { "dup": 24 }], 44: [function (_dereq_, module, exports) {
				arguments[4][25][0].apply(exports, arguments);
			}, { "dup": 25 }], 45: [function (_dereq_, module, exports) {
				arguments[4][28][0].apply(exports, arguments);
			}, { "dup": 28 }], 46: [function (_dereq_, module, exports) {
				(function (global) {
					/*global Blob,File*/

					/**
      * Module requirements
      */

					var isArray = _dereq_('isarray');
					var isBuf = _dereq_('./is-buffer');

					/**
      * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
      * Anything with blobs or files should be fed through removeBlobs before coming
      * here.
      *
      * @param {Object} packet - socket.io event packet
      * @return {Object} with deconstructed packet and list of buffers
      * @api public
      */

					exports.deconstructPacket = function (packet) {
						var buffers = [];
						var packetData = packet.data;

						function _deconstructPacket(data) {
							if (!data) return data;

							if (isBuf(data)) {
								var placeholder = { _placeholder: true, num: buffers.length };
								buffers.push(data);
								return placeholder;
							} else if (isArray(data)) {
								var newData = new Array(data.length);
								for (var i = 0; i < data.length; i++) {
									newData[i] = _deconstructPacket(data[i]);
								}
								return newData;
							} else if ('object' == (typeof data === "undefined" ? "undefined" : _typeof(data)) && !(data instanceof Date)) {
								var newData = {};
								for (var key in data) {
									newData[key] = _deconstructPacket(data[key]);
								}
								return newData;
							}
							return data;
						}

						var pack = packet;
						pack.data = _deconstructPacket(packetData);
						pack.attachments = buffers.length; // number of binary 'attachments'
						return { packet: pack, buffers: buffers };
					};

					/**
      * Reconstructs a binary packet from its placeholder packet and buffers
      *
      * @param {Object} packet - event packet with placeholders
      * @param {Array} buffers - binary buffers to put in placeholder positions
      * @return {Object} reconstructed packet
      * @api public
      */

					exports.reconstructPacket = function (packet, buffers) {
						var curPlaceHolder = 0;

						function _reconstructPacket(data) {
							if (data && data._placeholder) {
								var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway)
								return buf;
							} else if (isArray(data)) {
								for (var i = 0; i < data.length; i++) {
									data[i] = _reconstructPacket(data[i]);
								}
								return data;
							} else if (data && 'object' == (typeof data === "undefined" ? "undefined" : _typeof(data))) {
								for (var key in data) {
									data[key] = _reconstructPacket(data[key]);
								}
								return data;
							}
							return data;
						}

						packet.data = _reconstructPacket(packet.data);
						packet.attachments = undefined; // no longer useful
						return packet;
					};

					/**
      * Asynchronously removes Blobs or Files from data via
      * FileReader's readAsArrayBuffer method. Used before encoding
      * data as msgpack. Calls callback with the blobless data.
      *
      * @param {Object} data
      * @param {Function} callback
      * @api private
      */

					exports.removeBlobs = function (data, callback) {
						function _removeBlobs(obj, curKey, containingObject) {
							if (!obj) return obj;

							// convert any blob
							if (global.Blob && obj instanceof Blob || global.File && obj instanceof File) {
								pendingBlobs++;

								// async filereader
								var fileReader = new FileReader();
								fileReader.onload = function () {
									// this.result == arraybuffer
									if (containingObject) {
										containingObject[curKey] = this.result;
									} else {
										bloblessData = this.result;
									}

									// if nothing pending its callback time
									if (! --pendingBlobs) {
										callback(bloblessData);
									}
								};

								fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
							} else if (isArray(obj)) {
								// handle array
								for (var i = 0; i < obj.length; i++) {
									_removeBlobs(obj[i], i, obj);
								}
							} else if (obj && 'object' == (typeof obj === "undefined" ? "undefined" : _typeof(obj)) && !isBuf(obj)) {
								// and object
								for (var key in obj) {
									_removeBlobs(obj[key], key, obj);
								}
							}
						}

						var pendingBlobs = 0;
						var bloblessData = data;
						_removeBlobs(bloblessData);
						if (!pendingBlobs) {
							callback(bloblessData);
						}
					};
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, { "./is-buffer": 48, "isarray": 43 }], 47: [function (_dereq_, module, exports) {

				/**
     * Module dependencies.
     */

				var debug = _dereq_('debug')('socket.io-parser');
				var json = _dereq_('json3');
				var isArray = _dereq_('isarray');
				var Emitter = _dereq_('component-emitter');
				var binary = _dereq_('./binary');
				var isBuf = _dereq_('./is-buffer');

				/**
     * Protocol version.
     *
     * @api public
     */

				exports.protocol = 4;

				/**
     * Packet types.
     *
     * @api public
     */

				exports.types = ['CONNECT', 'DISCONNECT', 'EVENT', 'BINARY_EVENT', 'ACK', 'BINARY_ACK', 'ERROR'];

				/**
     * Packet type `connect`.
     *
     * @api public
     */

				exports.CONNECT = 0;

				/**
     * Packet type `disconnect`.
     *
     * @api public
     */

				exports.DISCONNECT = 1;

				/**
     * Packet type `event`.
     *
     * @api public
     */

				exports.EVENT = 2;

				/**
     * Packet type `ack`.
     *
     * @api public
     */

				exports.ACK = 3;

				/**
     * Packet type `error`.
     *
     * @api public
     */

				exports.ERROR = 4;

				/**
     * Packet type 'binary event'
     *
     * @api public
     */

				exports.BINARY_EVENT = 5;

				/**
     * Packet type `binary ack`. For acks with binary arguments.
     *
     * @api public
     */

				exports.BINARY_ACK = 6;

				/**
     * Encoder constructor.
     *
     * @api public
     */

				exports.Encoder = Encoder;

				/**
     * Decoder constructor.
     *
     * @api public
     */

				exports.Decoder = Decoder;

				/**
     * A socket.io Encoder instance
     *
     * @api public
     */

				function Encoder() {}

				/**
     * Encode a packet as a single string if non-binary, or as a
     * buffer sequence, depending on packet type.
     *
     * @param {Object} obj - packet object
     * @param {Function} callback - function to handle encodings (likely engine.write)
     * @return Calls callback with Array of encodings
     * @api public
     */

				Encoder.prototype.encode = function (obj, callback) {
					debug('encoding packet %j', obj);

					if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
						encodeAsBinary(obj, callback);
					} else {
						var encoding = encodeAsString(obj);
						callback([encoding]);
					}
				};

				/**
     * Encode packet as string.
     *
     * @param {Object} packet
     * @return {String} encoded
     * @api private
     */

				function encodeAsString(obj) {
					var str = '';
					var nsp = false;

					// first is type
					str += obj.type;

					// attachments if we have them
					if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
						str += obj.attachments;
						str += '-';
					}

					// if we have a namespace other than `/`
					// we append it followed by a comma `,`
					if (obj.nsp && '/' != obj.nsp) {
						nsp = true;
						str += obj.nsp;
					}

					// immediately followed by the id
					if (null != obj.id) {
						if (nsp) {
							str += ',';
							nsp = false;
						}
						str += obj.id;
					}

					// json data
					if (null != obj.data) {
						if (nsp) str += ',';
						str += json.stringify(obj.data);
					}

					debug('encoded %j as %s', obj, str);
					return str;
				}

				/**
     * Encode packet as 'buffer sequence' by removing blobs, and
     * deconstructing packet into object with placeholders and
     * a list of buffers.
     *
     * @param {Object} packet
     * @return {Buffer} encoded
     * @api private
     */

				function encodeAsBinary(obj, callback) {

					function writeEncoding(bloblessData) {
						var deconstruction = binary.deconstructPacket(bloblessData);
						var pack = encodeAsString(deconstruction.packet);
						var buffers = deconstruction.buffers;

						buffers.unshift(pack); // add packet info to beginning of data list
						callback(buffers); // write all the buffers
					}

					binary.removeBlobs(obj, writeEncoding);
				}

				/**
     * A socket.io Decoder instance
     *
     * @return {Object} decoder
     * @api public
     */

				function Decoder() {
					this.reconstructor = null;
				}

				/**
     * Mix in `Emitter` with Decoder.
     */

				Emitter(Decoder.prototype);

				/**
     * Decodes an ecoded packet string into packet JSON.
     *
     * @param {String} obj - encoded packet
     * @return {Object} packet
     * @api public
     */

				Decoder.prototype.add = function (obj) {
					var packet;
					if ('string' == typeof obj) {
						packet = decodeString(obj);
						if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) {
							// binary packet's json
							this.reconstructor = new BinaryReconstructor(packet);

							// no attachments, labeled binary but no binary data to follow
							if (this.reconstructor.reconPack.attachments === 0) {
								this.emit('decoded', packet);
							}
						} else {
							// non-binary full packet
							this.emit('decoded', packet);
						}
					} else if (isBuf(obj) || obj.base64) {
						// raw binary data
						if (!this.reconstructor) {
							throw new Error('got binary data when not reconstructing a packet');
						} else {
							packet = this.reconstructor.takeBinaryData(obj);
							if (packet) {
								// received final buffer
								this.reconstructor = null;
								this.emit('decoded', packet);
							}
						}
					} else {
						throw new Error('Unknown type: ' + obj);
					}
				};

				/**
     * Decode a packet String (JSON data)
     *
     * @param {String} str
     * @return {Object} packet
     * @api private
     */

				function decodeString(str) {
					var p = {};
					var i = 0;

					// look up type
					p.type = Number(str.charAt(0));
					if (null == exports.types[p.type]) return error();

					// look up attachments if type binary
					if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
						var buf = '';
						while (str.charAt(++i) != '-') {
							buf += str.charAt(i);
							if (i == str.length) break;
						}
						if (buf != Number(buf) || str.charAt(i) != '-') {
							throw new Error('Illegal attachments');
						}
						p.attachments = Number(buf);
					}

					// look up namespace (if any)
					if ('/' == str.charAt(i + 1)) {
						p.nsp = '';
						while (++i) {
							var c = str.charAt(i);
							if (',' == c) break;
							p.nsp += c;
							if (i == str.length) break;
						}
					} else {
						p.nsp = '/';
					}

					// look up id
					var next = str.charAt(i + 1);
					if ('' !== next && Number(next) == next) {
						p.id = '';
						while (++i) {
							var c = str.charAt(i);
							if (null == c || Number(c) != c) {
								--i;
								break;
							}
							p.id += str.charAt(i);
							if (i == str.length) break;
						}
						p.id = Number(p.id);
					}

					// look up json data
					if (str.charAt(++i)) {
						try {
							p.data = json.parse(str.substr(i));
						} catch (e) {
							return error();
						}
					}

					debug('decoded %s as %j', str, p);
					return p;
				}

				/**
     * Deallocates a parser's resources
     *
     * @api public
     */

				Decoder.prototype.destroy = function () {
					if (this.reconstructor) {
						this.reconstructor.finishedReconstruction();
					}
				};

				/**
     * A manager of a binary event's 'buffer sequence'. Should
     * be constructed whenever a packet of type BINARY_EVENT is
     * decoded.
     *
     * @param {Object} packet
     * @return {BinaryReconstructor} initialized reconstructor
     * @api private
     */

				function BinaryReconstructor(packet) {
					this.reconPack = packet;
					this.buffers = [];
				}

				/**
     * Method to be called when binary data received from connection
     * after a BINARY_EVENT packet.
     *
     * @param {Buffer | ArrayBuffer} binData - the raw binary data received
     * @return {null | Object} returns null if more binary data is expected or
     *   a reconstructed packet object if all buffers have been received.
     * @api private
     */

				BinaryReconstructor.prototype.takeBinaryData = function (binData) {
					this.buffers.push(binData);
					if (this.buffers.length == this.reconPack.attachments) {
						// done with buffer list
						var packet = binary.reconstructPacket(this.reconPack, this.buffers);
						this.finishedReconstruction();
						return packet;
					}
					return null;
				};

				/**
     * Cleans up binary packet reconstruction variables.
     *
     * @api private
     */

				BinaryReconstructor.prototype.finishedReconstruction = function () {
					this.reconPack = null;
					this.buffers = [];
				};

				function error(data) {
					return {
						type: exports.ERROR,
						data: 'parser error'
					};
				}
			}, { "./binary": 46, "./is-buffer": 48, "component-emitter": 49, "debug": 39, "isarray": 43, "json3": 50 }], 48: [function (_dereq_, module, exports) {
				(function (global) {

					module.exports = isBuf;

					/**
      * Returns true if obj is a buffer or an arraybuffer.
      *
      * @api private
      */

					function isBuf(obj) {
						return global.Buffer && global.Buffer.isBuffer(obj) || global.ArrayBuffer && obj instanceof ArrayBuffer;
					}
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, {}], 49: [function (_dereq_, module, exports) {
				arguments[4][15][0].apply(exports, arguments);
			}, { "dup": 15 }], 50: [function (_dereq_, module, exports) {
				(function (global) {
					/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
					;(function () {
						// Detect the `define` function exposed by asynchronous module loaders. The
						// strict `define` check is necessary for compatibility with `r.js`.
						var isLoader = typeof define === "function" && define.amd;

						// A set of types used to distinguish objects from primitives.
						var objectTypes = {
							"function": true,
							"object": true
						};

						// Detect the `exports` object exposed by CommonJS implementations.
						var freeExports = objectTypes[typeof exports === "undefined" ? "undefined" : _typeof(exports)] && exports && !exports.nodeType && exports;

						// Use the `global` object exposed by Node (including Browserify via
						// `insert-module-globals`), Narwhal, and Ringo as the default context,
						// and the `window` object in browsers. Rhino exports a `global` function
						// instead.
						var root = objectTypes[typeof window === "undefined" ? "undefined" : _typeof(window)] && window || this,
						    freeGlobal = freeExports && objectTypes[typeof module === "undefined" ? "undefined" : _typeof(module)] && module && !module.nodeType && (typeof global === "undefined" ? "undefined" : _typeof(global)) == "object" && global;

						if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
							root = freeGlobal;
						}

						// Public: Initializes JSON 3 using the given `context` object, attaching the
						// `stringify` and `parse` functions to the specified `exports` object.
						function runInContext(context, exports) {
							context || (context = root["Object"]());
							exports || (exports = root["Object"]());

							// Native constructor aliases.
							var Number = context["Number"] || root["Number"],
							    String = context["String"] || root["String"],
							    Object = context["Object"] || root["Object"],
							    Date = context["Date"] || root["Date"],
							    SyntaxError = context["SyntaxError"] || root["SyntaxError"],
							    TypeError = context["TypeError"] || root["TypeError"],
							    Math = context["Math"] || root["Math"],
							    nativeJSON = context["JSON"] || root["JSON"];

							// Delegate to the native `stringify` and `parse` implementations.
							if ((typeof nativeJSON === "undefined" ? "undefined" : _typeof(nativeJSON)) == "object" && nativeJSON) {
								exports.stringify = nativeJSON.stringify;
								exports.parse = nativeJSON.parse;
							}

							// Convenience aliases.
							var objectProto = Object.prototype,
							    getClass = objectProto.toString,
							    _isProperty,
							    _forEach,
							    undef;

							// Test the `Date#getUTC*` methods. Based on work by @Yaffle.
							var isExtended = new Date(-3509827334573292);
							try {
								// The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
								// results for certain dates in Opera >= 10.53.
								isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
								// Safari < 2.0.2 stores the internal millisecond time value correctly,
								// but clips the values returned by the date methods to the range of
								// signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
								isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
							} catch (exception) {}

							// Internal: Determines whether the native `JSON.stringify` and `parse`
							// implementations are spec-compliant. Based on work by Ken Snyder.
							function has(name) {
								if (has[name] !== undef) {
									// Return cached feature test result.
									return has[name];
								}
								var isSupported;
								if (name == "bug-string-char-index") {
									// IE <= 7 doesn't support accessing string characters using square
									// bracket notation. IE 8 only supports this for primitives.
									isSupported = "a"[0] != "a";
								} else if (name == "json") {
									// Indicates whether both `JSON.stringify` and `JSON.parse` are
									// supported.
									isSupported = has("json-stringify") && has("json-parse");
								} else {
									var value,
									    serialized = "{\"a\":[1,true,false,null,\"\\u0000\\b\\n\\f\\r\\t\"]}";
									// Test `JSON.stringify`.
									if (name == "json-stringify") {
										var stringify = exports.stringify,
										    stringifySupported = typeof stringify == "function" && isExtended;
										if (stringifySupported) {
											// A test function object with a custom `toJSON` method.
											(value = function value() {
												return 1;
											}).toJSON = value;
											try {
												stringifySupported =
												// Firefox 3.1b1 and b2 serialize string, number, and boolean
												// primitives as object literals.
												stringify(0) === "0" &&
												// FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
												// literals.
												stringify(new Number()) === "0" && stringify(new String()) == '""' &&
												// FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
												// does not define a canonical JSON representation (this applies to
												// objects with `toJSON` properties as well, *unless* they are nested
												// within an object or array).
												stringify(getClass) === undef &&
												// IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
												// FF 3.1b3 pass this test.
												stringify(undef) === undef &&
												// Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
												// respectively, if the value is omitted entirely.
												stringify() === undef &&
												// FF 3.1b1, 2 throw an error if the given value is not a number,
												// string, array, object, Boolean, or `null` literal. This applies to
												// objects with custom `toJSON` methods as well, unless they are nested
												// inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
												// methods entirely.
												stringify(value) === "1" && stringify([value]) == "[1]" &&
												// Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
												// `"[null]"`.
												stringify([undef]) == "[null]" &&
												// YUI 3.0.0b1 fails to serialize `null` literals.
												stringify(null) == "null" &&
												// FF 3.1b1, 2 halts serialization if an array contains a function:
												// `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
												// elides non-JSON values from objects and arrays, unless they
												// define custom `toJSON` methods.
												stringify([undef, getClass, null]) == "[null,null,null]" &&
												// Simple serialization test. FF 3.1b1 uses Unicode escape sequences
												// where character escape codes are expected (e.g., `\b` => `\u0008`).
												stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
												// FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
												stringify(null, value) === "1" && stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
												// JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
												// serialize extended years.
												stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
												// The milliseconds are optional in ES 5, but required in 5.1.
												stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
												// Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
												// four-digit years instead of six-digit years. Credits: @Yaffle.
												stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
												// Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
												// values less than 1000. Credits: @Yaffle.
												stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
											} catch (exception) {
												stringifySupported = false;
											}
										}
										isSupported = stringifySupported;
									}
									// Test `JSON.parse`.
									if (name == "json-parse") {
										var parse = exports.parse;
										if (typeof parse == "function") {
											try {
												// FF 3.1b1, b2 will throw an exception if a bare literal is provided.
												// Conforming implementations should also coerce the initial argument to
												// a string prior to parsing.
												if (parse("0") === 0 && !parse(false)) {
													// Simple parsing test.
													value = parse(serialized);
													var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
													if (parseSupported) {
														try {
															// Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
															parseSupported = !parse('"\t"');
														} catch (exception) {}
														if (parseSupported) {
															try {
																// FF 4.0 and 4.0.1 allow leading `+` signs and leading
																// decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
																// certain octal literals.
																parseSupported = parse("01") !== 1;
															} catch (exception) {}
														}
														if (parseSupported) {
															try {
																// FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
																// points. These environments, along with FF 3.1b1 and 2,
																// also allow trailing commas in JSON objects and arrays.
																parseSupported = parse("1.") !== 1;
															} catch (exception) {}
														}
													}
												}
											} catch (exception) {
												parseSupported = false;
											}
										}
										isSupported = parseSupported;
									}
								}
								return has[name] = !!isSupported;
							}

							if (!has("json")) {
								// Common `[[Class]]` name aliases.
								var functionClass = "[object Function]",
								    dateClass = "[object Date]",
								    numberClass = "[object Number]",
								    stringClass = "[object String]",
								    arrayClass = "[object Array]",
								    booleanClass = "[object Boolean]";

								// Detect incomplete support for accessing string characters by index.
								var charIndexBuggy = has("bug-string-char-index");

								// Define additional utility methods if the `Date` methods are buggy.
								if (!isExtended) {
									var floor = Math.floor;
									// A mapping between the months of the year and the number of days between
									// January 1st and the first of the respective month.
									var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
									// Internal: Calculates the number of days between the Unix epoch and the
									// first day of the given month.
									var getDay = function getDay(year, month) {
										return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
									};
								}

								// Internal: Determines if a property is a direct property of the given
								// object. Delegates to the native `Object#hasOwnProperty` method.
								if (!(_isProperty = objectProto.hasOwnProperty)) {
									_isProperty = function isProperty(property) {
										var members = {},
										    constructor;
										if ((members.__proto__ = null, members.__proto__ = {
											// The *proto* property cannot be set multiple times in recent
											// versions of Firefox and SeaMonkey.
											"toString": 1
										}, members).toString != getClass) {
											// Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
											// supports the mutable *proto* property.
											_isProperty = function isProperty(property) {
												// Capture and break the object's prototype chain (see section 8.6.2
												// of the ES 5.1 spec). The parenthesized expression prevents an
												// unsafe transformation by the Closure Compiler.
												var original = this.__proto__,
												    result = property in (this.__proto__ = null, this);
												// Restore the original prototype chain.
												this.__proto__ = original;
												return result;
											};
										} else {
											// Capture a reference to the top-level `Object` constructor.
											constructor = members.constructor;
											// Use the `constructor` property to simulate `Object#hasOwnProperty` in
											// other environments.
											_isProperty = function isProperty(property) {
												var parent = (this.constructor || constructor).prototype;
												return property in this && !(property in parent && this[property] === parent[property]);
											};
										}
										members = null;
										return _isProperty.call(this, property);
									};
								}

								// Internal: Normalizes the `for...in` iteration algorithm across
								// environments. Each enumerated key is yielded to a `callback` function.
								_forEach = function forEach(object, callback) {
									var size = 0,
									    Properties,
									    members,
									    property;

									// Tests for bugs in the current environment's `for...in` algorithm. The
									// `valueOf` property inherits the non-enumerable flag from
									// `Object.prototype` in older versions of IE, Netscape, and Mozilla.
									(Properties = function Properties() {
										this.valueOf = 0;
									}).prototype.valueOf = 0;

									// Iterate over a new instance of the `Properties` class.
									members = new Properties();
									for (property in members) {
										// Ignore all properties inherited from `Object.prototype`.
										if (_isProperty.call(members, property)) {
											size++;
										}
									}
									Properties = members = null;

									// Normalize the iteration algorithm.
									if (!size) {
										// A list of non-enumerable properties inherited from `Object.prototype`.
										members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
										// IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
										// properties.
										_forEach = function forEach(object, callback) {
											var isFunction = getClass.call(object) == functionClass,
											    property,
											    length;
											var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[_typeof(object.hasOwnProperty)] && object.hasOwnProperty || _isProperty;
											for (property in object) {
												// Gecko <= 1.0 enumerates the `prototype` property of functions under
												// certain conditions; IE does not.
												if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
													callback(property);
												}
											}
											// Manually invoke the callback for each non-enumerable property.
											for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property)) {}
										};
									} else if (size == 2) {
										// Safari <= 2.0.4 enumerates shadowed properties twice.
										_forEach = function forEach(object, callback) {
											// Create a set of iterated properties.
											var members = {},
											    isFunction = getClass.call(object) == functionClass,
											    property;
											for (property in object) {
												// Store each property name to prevent double enumeration. The
												// `prototype` property of functions is not enumerated due to cross-
												// environment inconsistencies.
												if (!(isFunction && property == "prototype") && !_isProperty.call(members, property) && (members[property] = 1) && _isProperty.call(object, property)) {
													callback(property);
												}
											}
										};
									} else {
										// No bugs detected; use the standard `for...in` algorithm.
										_forEach = function forEach(object, callback) {
											var isFunction = getClass.call(object) == functionClass,
											    property,
											    isConstructor;
											for (property in object) {
												if (!(isFunction && property == "prototype") && _isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
													callback(property);
												}
											}
											// Manually invoke the callback for the `constructor` property due to
											// cross-environment inconsistencies.
											if (isConstructor || _isProperty.call(object, property = "constructor")) {
												callback(property);
											}
										};
									}
									return _forEach(object, callback);
								};

								// Public: Serializes a JavaScript `value` as a JSON string. The optional
								// `filter` argument may specify either a function that alters how object and
								// array members are serialized, or an array of strings and numbers that
								// indicates which properties should be serialized. The optional `width`
								// argument may be either a string or number that specifies the indentation
								// level of the output.
								if (!has("json-stringify")) {
									// Internal: A map of control characters and their escaped equivalents.
									var Escapes = {
										92: "\\\\",
										34: '\\"',
										8: "\\b",
										12: "\\f",
										10: "\\n",
										13: "\\r",
										9: "\\t"
									};

									// Internal: Converts `value` into a zero-padded string such that its
									// length is at least equal to `width`. The `width` must be <= 6.
									var leadingZeroes = "000000";
									var toPaddedString = function toPaddedString(width, value) {
										// The `|| 0` expression is necessary to work around a bug in
										// Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
										return (leadingZeroes + (value || 0)).slice(-width);
									};

									// Internal: Double-quotes a string `value`, replacing all ASCII control
									// characters (characters with code unit values between 0 and 31) with
									// their escaped equivalents. This is an implementation of the
									// `Quote(value)` operation defined in ES 5.1 section 15.12.3.
									var unicodePrefix = "\\u00";
									var quote = function quote(value) {
										var result = '"',
										    index = 0,
										    length = value.length,
										    useCharIndex = !charIndexBuggy || length > 10;
										var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
										for (; index < length; index++) {
											var charCode = value.charCodeAt(index);
											// If the character is a control character, append its Unicode or
											// shorthand escape sequence; otherwise, append the character as-is.
											switch (charCode) {
												case 8:case 9:case 10:case 12:case 13:case 34:case 92:
													result += Escapes[charCode];
													break;
												default:
													if (charCode < 32) {
														result += unicodePrefix + toPaddedString(2, charCode.toString(16));
														break;
													}
													result += useCharIndex ? symbols[index] : value.charAt(index);
											}
										}
										return result + '"';
									};

									// Internal: Recursively serializes an object. Implements the
									// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
									var serialize = function serialize(property, object, callback, properties, whitespace, indentation, stack) {
										var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
										try {
											// Necessary for host object support.
											value = object[property];
										} catch (exception) {}
										if ((typeof value === "undefined" ? "undefined" : _typeof(value)) == "object" && value) {
											className = getClass.call(value);
											if (className == dateClass && !_isProperty.call(value, "toJSON")) {
												if (value > -1 / 0 && value < 1 / 0) {
													// Dates are serialized according to the `Date#toJSON` method
													// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
													// for the ISO 8601 date time string format.
													if (getDay) {
														// Manually compute the year, month, date, hours, minutes,
														// seconds, and milliseconds if the `getUTC*` methods are
														// buggy. Adapted from @Yaffle's `date-shim` project.
														date = floor(value / 864e5);
														for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++) {}
														for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++) {}
														date = 1 + date - getDay(year, month);
														// The `time` value specifies the time within the day (see ES
														// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
														// to compute `A modulo B`, as the `%` operator does not
														// correspond to the `modulo` operation for negative numbers.
														time = (value % 864e5 + 864e5) % 864e5;
														// The hours, minutes, seconds, and milliseconds are obtained by
														// decomposing the time within the day. See section 15.9.1.10.
														hours = floor(time / 36e5) % 24;
														minutes = floor(time / 6e4) % 60;
														seconds = floor(time / 1e3) % 60;
														milliseconds = time % 1e3;
													} else {
														year = value.getUTCFullYear();
														month = value.getUTCMonth();
														date = value.getUTCDate();
														hours = value.getUTCHours();
														minutes = value.getUTCMinutes();
														seconds = value.getUTCSeconds();
														milliseconds = value.getUTCMilliseconds();
													}
													// Serialize extended years correctly.
													value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) + "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
													// Months, dates, hours, minutes, and seconds should have two
													// digits; milliseconds should have three.
													"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
													// Milliseconds are optional in ES 5.0, but required in 5.1.
													"." + toPaddedString(3, milliseconds) + "Z";
												} else {
													value = null;
												}
											} else if (typeof value.toJSON == "function" && (className != numberClass && className != stringClass && className != arrayClass || _isProperty.call(value, "toJSON"))) {
												// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
												// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
												// ignores all `toJSON` methods on these objects unless they are
												// defined directly on an instance.
												value = value.toJSON(property);
											}
										}
										if (callback) {
											// If a replacement function was provided, call it to obtain the value
											// for serialization.
											value = callback.call(object, property, value);
										}
										if (value === null) {
											return "null";
										}
										className = getClass.call(value);
										if (className == booleanClass) {
											// Booleans are represented literally.
											return "" + value;
										} else if (className == numberClass) {
											// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
											// `"null"`.
											return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
										} else if (className == stringClass) {
											// Strings are double-quoted and escaped.
											return quote("" + value);
										}
										// Recursively serialize objects and arrays.
										if ((typeof value === "undefined" ? "undefined" : _typeof(value)) == "object") {
											// Check for cyclic structures. This is a linear search; performance
											// is inversely proportional to the number of unique nested objects.
											for (length = stack.length; length--;) {
												if (stack[length] === value) {
													// Cyclic structures cannot be serialized by `JSON.stringify`.
													throw TypeError();
												}
											}
											// Add the object to the stack of traversed objects.
											stack.push(value);
											results = [];
											// Save the current indentation level and indent one additional level.
											prefix = indentation;
											indentation += whitespace;
											if (className == arrayClass) {
												// Recursively serialize array elements.
												for (index = 0, length = value.length; index < length; index++) {
													element = serialize(index, value, callback, properties, whitespace, indentation, stack);
													results.push(element === undef ? "null" : element);
												}
												result = results.length ? whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : "[" + results.join(",") + "]" : "[]";
											} else {
												// Recursively serialize object members. Members are selected from
												// either a user-specified list of property names, or the object
												// itself.
												_forEach(properties || value, function (property) {
													var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
													if (element !== undef) {
														// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
														// is not the empty string, let `member` {quote(property) + ":"}
														// be the concatenation of `member` and the `space` character."
														// The "`space` character" refers to the literal space
														// character, not the `space` {width} argument provided to
														// `JSON.stringify`.
														results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
													}
												});
												result = results.length ? whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : "{" + results.join(",") + "}" : "{}";
											}
											// Remove the object from the traversed object stack.
											stack.pop();
											return result;
										}
									};

									// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
									exports.stringify = function (source, filter, width) {
										var whitespace, callback, properties, className;
										if (objectTypes[typeof filter === "undefined" ? "undefined" : _typeof(filter)] && filter) {
											if ((className = getClass.call(filter)) == functionClass) {
												callback = filter;
											} else if (className == arrayClass) {
												// Convert the property names array into a makeshift set.
												properties = {};
												for (var index = 0, length = filter.length, value; index < length; value = filter[index++], (className = getClass.call(value), className == stringClass || className == numberClass) && (properties[value] = 1)) {}
											}
										}
										if (width) {
											if ((className = getClass.call(width)) == numberClass) {
												// Convert the `width` to an integer and create a string containing
												// `width` number of space characters.
												if ((width -= width % 1) > 0) {
													for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ") {}
												}
											} else if (className == stringClass) {
												whitespace = width.length <= 10 ? width : width.slice(0, 10);
											}
										}
										// Opera <= 7.54u2 discards the values associated with empty string keys
										// (`""`) only if they are used directly within an object member list
										// (e.g., `!("" in { "": 1})`).
										return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
									};
								}

								// Public: Parses a JSON source string.
								if (!has("json-parse")) {
									var fromCharCode = String.fromCharCode;

									// Internal: A map of escaped control characters and their unescaped
									// equivalents.
									var Unescapes = {
										92: "\\",
										34: '"',
										47: "/",
										98: "\b",
										116: "\t",
										110: "\n",
										102: "\f",
										114: "\r"
									};

									// Internal: Stores the parser state.
									var Index, Source;

									// Internal: Resets the parser state and throws a `SyntaxError`.
									var abort = function abort() {
										Index = Source = null;
										throw SyntaxError();
									};

									// Internal: Returns the next token, or `"$"` if the parser has reached
									// the end of the source string. A token may be a string, number, `null`
									// literal, or Boolean literal.
									var lex = function lex() {
										var source = Source,
										    length = source.length,
										    value,
										    begin,
										    position,
										    isSigned,
										    charCode;
										while (Index < length) {
											charCode = source.charCodeAt(Index);
											switch (charCode) {
												case 9:case 10:case 13:case 32:
													// Skip whitespace tokens, including tabs, carriage returns, line
													// feeds, and space characters.
													Index++;
													break;
												case 123:case 125:case 91:case 93:case 58:case 44:
													// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
													// the current position.
													value = charIndexBuggy ? source.charAt(Index) : source[Index];
													Index++;
													return value;
												case 34:
													// `"` delimits a JSON string; advance to the next character and
													// begin parsing the string. String tokens are prefixed with the
													// sentinel `@` character to distinguish them from punctuators and
													// end-of-string tokens.
													for (value = "@", Index++; Index < length;) {
														charCode = source.charCodeAt(Index);
														if (charCode < 32) {
															// Unescaped ASCII control characters (those with a code unit
															// less than the space character) are not permitted.
															abort();
														} else if (charCode == 92) {
															// A reverse solidus (`\`) marks the beginning of an escaped
															// control character (including `"`, `\`, and `/`) or Unicode
															// escape sequence.
															charCode = source.charCodeAt(++Index);
															switch (charCode) {
																case 92:case 34:case 47:case 98:case 116:case 110:case 102:case 114:
																	// Revive escaped control characters.
																	value += Unescapes[charCode];
																	Index++;
																	break;
																case 117:
																	// `\u` marks the beginning of a Unicode escape sequence.
																	// Advance to the first character and validate the
																	// four-digit code point.
																	begin = ++Index;
																	for (position = Index + 4; Index < position; Index++) {
																		charCode = source.charCodeAt(Index);
																		// A valid sequence comprises four hexdigits (case-
																		// insensitive) that form a single hexadecimal value.
																		if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
																			// Invalid Unicode escape sequence.
																			abort();
																		}
																	}
																	// Revive the escaped character.
																	value += fromCharCode("0x" + source.slice(begin, Index));
																	break;
																default:
																	// Invalid escape sequence.
																	abort();
															}
														} else {
															if (charCode == 34) {
																// An unescaped double-quote character marks the end of the
																// string.
																break;
															}
															charCode = source.charCodeAt(Index);
															begin = Index;
															// Optimize for the common case where a string is valid.
															while (charCode >= 32 && charCode != 92 && charCode != 34) {
																charCode = source.charCodeAt(++Index);
															}
															// Append the string as-is.
															value += source.slice(begin, Index);
														}
													}
													if (source.charCodeAt(Index) == 34) {
														// Advance to the next character and return the revived string.
														Index++;
														return value;
													}
													// Unterminated string.
													abort();
												default:
													// Parse numbers and literals.
													begin = Index;
													// Advance past the negative sign, if one is specified.
													if (charCode == 45) {
														isSigned = true;
														charCode = source.charCodeAt(++Index);
													}
													// Parse an integer or floating-point value.
													if (charCode >= 48 && charCode <= 57) {
														// Leading zeroes are interpreted as octal literals.
														if (charCode == 48 && (charCode = source.charCodeAt(Index + 1), charCode >= 48 && charCode <= 57)) {
															// Illegal octal literal.
															abort();
														}
														isSigned = false;
														// Parse the integer component.
														for (; Index < length && (charCode = source.charCodeAt(Index), charCode >= 48 && charCode <= 57); Index++) {}
														// Floats cannot contain a leading decimal point; however, this
														// case is already accounted for by the parser.
														if (source.charCodeAt(Index) == 46) {
															position = ++Index;
															// Parse the decimal component.
															for (; position < length && (charCode = source.charCodeAt(position), charCode >= 48 && charCode <= 57); position++) {}
															if (position == Index) {
																// Illegal trailing decimal.
																abort();
															}
															Index = position;
														}
														// Parse exponents. The `e` denoting the exponent is
														// case-insensitive.
														charCode = source.charCodeAt(Index);
														if (charCode == 101 || charCode == 69) {
															charCode = source.charCodeAt(++Index);
															// Skip past the sign following the exponent, if one is
															// specified.
															if (charCode == 43 || charCode == 45) {
																Index++;
															}
															// Parse the exponential component.
															for (position = Index; position < length && (charCode = source.charCodeAt(position), charCode >= 48 && charCode <= 57); position++) {}
															if (position == Index) {
																// Illegal empty exponent.
																abort();
															}
															Index = position;
														}
														// Coerce the parsed value to a JavaScript number.
														return +source.slice(begin, Index);
													}
													// A negative sign may only precede numbers.
													if (isSigned) {
														abort();
													}
													// `true`, `false`, and `null` literals.
													if (source.slice(Index, Index + 4) == "true") {
														Index += 4;
														return true;
													} else if (source.slice(Index, Index + 5) == "false") {
														Index += 5;
														return false;
													} else if (source.slice(Index, Index + 4) == "null") {
														Index += 4;
														return null;
													}
													// Unrecognized token.
													abort();
											}
										}
										// Return the sentinel `$` character if the parser has reached the end
										// of the source string.
										return "$";
									};

									// Internal: Parses a JSON `value` token.
									var get = function get(value) {
										var results, hasMembers;
										if (value == "$") {
											// Unexpected end of input.
											abort();
										}
										if (typeof value == "string") {
											if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
												// Remove the sentinel `@` character.
												return value.slice(1);
											}
											// Parse object and array literals.
											if (value == "[") {
												// Parses a JSON array, returning a new JavaScript array.
												results = [];
												for (;; hasMembers || (hasMembers = true)) {
													value = lex();
													// A closing square bracket marks the end of the array literal.
													if (value == "]") {
														break;
													}
													// If the array literal contains elements, the current token
													// should be a comma separating the previous element from the
													// next.
													if (hasMembers) {
														if (value == ",") {
															value = lex();
															if (value == "]") {
																// Unexpected trailing `,` in array literal.
																abort();
															}
														} else {
															// A `,` must separate each array element.
															abort();
														}
													}
													// Elisions and leading commas are not permitted.
													if (value == ",") {
														abort();
													}
													results.push(get(value));
												}
												return results;
											} else if (value == "{") {
												// Parses a JSON object, returning a new JavaScript object.
												results = {};
												for (;; hasMembers || (hasMembers = true)) {
													value = lex();
													// A closing curly brace marks the end of the object literal.
													if (value == "}") {
														break;
													}
													// If the object literal contains members, the current token
													// should be a comma separator.
													if (hasMembers) {
														if (value == ",") {
															value = lex();
															if (value == "}") {
																// Unexpected trailing `,` in object literal.
																abort();
															}
														} else {
															// A `,` must separate each object member.
															abort();
														}
													}
													// Leading commas are not permitted, object property names must be
													// double-quoted strings, and a `:` must separate each property
													// name and value.
													if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
														abort();
													}
													results[value.slice(1)] = get(lex());
												}
												return results;
											}
											// Unexpected token encountered.
											abort();
										}
										return value;
									};

									// Internal: Updates a traversed object member.
									var update = function update(source, property, callback) {
										var element = walk(source, property, callback);
										if (element === undef) {
											delete source[property];
										} else {
											source[property] = element;
										}
									};

									// Internal: Recursively traverses a parsed JSON object, invoking the
									// `callback` function for each value. This is an implementation of the
									// `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
									var walk = function walk(source, property, callback) {
										var value = source[property],
										    length;
										if ((typeof value === "undefined" ? "undefined" : _typeof(value)) == "object" && value) {
											// `forEach` can't be used to traverse an array in Opera <= 8.54
											// because its `Object#hasOwnProperty` implementation returns `false`
											// for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
											if (getClass.call(value) == arrayClass) {
												for (length = value.length; length--;) {
													update(value, length, callback);
												}
											} else {
												_forEach(value, function (property) {
													update(value, property, callback);
												});
											}
										}
										return callback.call(source, property, value);
									};

									// Public: `JSON.parse`. See ES 5.1 section 15.12.2.
									exports.parse = function (source, callback) {
										var result, value;
										Index = 0;
										Source = "" + source;
										result = get(lex());
										// If a JSON string contains multiple tokens, it is invalid.
										if (lex() != "$") {
											abort();
										}
										// Reset the parser state.
										Index = Source = null;
										return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
									};
								}
							}

							exports["runInContext"] = runInContext;
							return exports;
						}

						if (freeExports && !isLoader) {
							// Export for CommonJS environments.
							runInContext(root, freeExports);
						} else {
							// Export for web browsers and JavaScript engines.
							var nativeJSON = root.JSON,
							    previousJSON = root["JSON3"],
							    isRestored = false;

							var JSON3 = runInContext(root, root["JSON3"] = {
								// Public: Restores the original value of the global `JSON` object and
								// returns a reference to the `JSON3` object.
								"noConflict": function noConflict() {
									if (!isRestored) {
										isRestored = true;
										root.JSON = nativeJSON;
										root["JSON3"] = previousJSON;
										nativeJSON = previousJSON = null;
									}
									return JSON3;
								}
							});

							root.JSON = {
								"parse": JSON3.parse,
								"stringify": JSON3.stringify
							};
						}

						// Export for asynchronous module loaders.
						if (isLoader) {
							define(function () {
								return JSON3;
							});
						}
					}).call(this);
				}).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
			}, {}], 51: [function (_dereq_, module, exports) {
				module.exports = toArray;

				function toArray(list, index) {
					var array = [];

					index = index || 0;

					for (var i = index || 0; i < list.length; i++) {
						array[i - index] = list[i];
					}

					return array;
				}
			}, {}] }, {}, [31])(31);
	});
}

cc._RF.pop();